Home / 129,265.32-178,327.85-75,526.18

Finding the Fourth Proportional to 129,265.32, 178,327.85 and 75,526.18

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Solution

The fourth proportional to 129,265.32, 178,327.85 and 75,526.18 is: 104,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,265.32 : 178,327.85 = 75,526.18 : x
  2. Step 2: Convert to fraction form
    129,265.32/178,327.85 = 75,526.18/x
  3. Step 3: Cross multiply
    129,265.32x = 178,327.85 × 75,526.18
  4. Step 4: Simplify right side
    129,265.32x = 13,468,420,474.66
  5. Step 5: Solve for x
    x = 13,468,420,474.66/129,265.32
  6. Step 6: Final answer
    x = 104,192.06

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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.