Home / 134,126.10-201,187.80-54,162.72

Finding the Fourth Proportional to 134,126.10, 201,187.80 and 54,162.72

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Solution

The fourth proportional to 134,126.10, 201,187.80 and 54,162.72 is: 81,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,126.10 : 201,187.80 = 54,162.72 : x
  2. Step 2: Convert to fraction form
    134,126.10/201,187.80 = 54,162.72/x
  3. Step 3: Cross multiply
    134,126.10x = 201,187.80 × 54,162.72
  4. Step 4: Simplify right side
    134,126.10x = 10,896,878,478.82
  5. Step 5: Solve for x
    x = 10,896,878,478.82/134,126.10
  6. Step 6: Final answer
    x = 81,243.53

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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.