Home / 134,885.20-202,327.80-129,126.10

Finding the Fourth Proportional to 134,885.20, 202,327.80 and 129,126.10

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Solution

The fourth proportional to 134,885.20, 202,327.80 and 129,126.10 is: 193,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,885.20 : 202,327.80 = 129,126.10 : x
  2. Step 2: Convert to fraction form
    134,885.20/202,327.80 = 129,126.10/x
  3. Step 3: Cross multiply
    134,885.20x = 202,327.80 × 129,126.10
  4. Step 4: Simplify right side
    134,885.20x = 26,125,799,735.58
  5. Step 5: Solve for x
    x = 26,125,799,735.58/134,885.20
  6. Step 6: Final answer
    x = 193,689.15

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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.