Home / 145,057.32-200,127.78-94,785.48

Finding the Fourth Proportional to 145,057.32, 200,127.78 and 94,785.48

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Solution

The fourth proportional to 145,057.32, 200,127.78 and 94,785.48 is: 130,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.32 : 200,127.78 = 94,785.48 : x
  2. Step 2: Convert to fraction form
    145,057.32/200,127.78 = 94,785.48/x
  3. Step 3: Cross multiply
    145,057.32x = 200,127.78 × 94,785.48
  4. Step 4: Simplify right side
    145,057.32x = 18,969,207,688.63
  5. Step 5: Solve for x
    x = 18,969,207,688.63/145,057.32
  6. Step 6: Final answer
    x = 130,770.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.