Home / 508,108.07-762,162.39-129,057.23

Finding the Fourth Proportional to 508,108.07, 762,162.39 and 129,057.23

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Solution

The fourth proportional to 508,108.07, 762,162.39 and 129,057.23 is: 193,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,108.07 : 762,162.39 = 129,057.23 : x
  2. Step 2: Convert to fraction form
    508,108.07/762,162.39 = 129,057.23/x
  3. Step 3: Cross multiply
    508,108.07x = 762,162.39 × 129,057.23
  4. Step 4: Simplify right side
    508,108.07x = 98,362,563,052.77
  5. Step 5: Solve for x
    x = 98,362,563,052.77/508,108.07
  6. Step 6: Final answer
    x = 193,585.91

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.