Home / 134,778.10-202,167.15-89,871.70

Finding the Fourth Proportional to 134,778.10, 202,167.15 and 89,871.70

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Solution

The fourth proportional to 134,778.10, 202,167.15 and 89,871.70 is: 134,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,778.10 : 202,167.15 = 89,871.70 : x
  2. Step 2: Convert to fraction form
    134,778.10/202,167.15 = 89,871.70/x
  3. Step 3: Cross multiply
    134,778.10x = 202,167.15 × 89,871.70
  4. Step 4: Simplify right side
    134,778.10x = 18,169,105,454.66
  5. Step 5: Solve for x
    x = 18,169,105,454.66/134,778.10
  6. Step 6: Final answer
    x = 134,807.55

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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.