Home / 134,801.60-202,202.40-123,429.20

Finding the Fourth Proportional to 134,801.60, 202,202.40 and 123,429.20

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Solution

The fourth proportional to 134,801.60, 202,202.40 and 123,429.20 is: 185,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.60 : 202,202.40 = 123,429.20 : x
  2. Step 2: Convert to fraction form
    134,801.60/202,202.40 = 123,429.20/x
  3. Step 3: Cross multiply
    134,801.60x = 202,202.40 × 123,429.20
  4. Step 4: Simplify right side
    134,801.60x = 24,957,680,470.08
  5. Step 5: Solve for x
    x = 24,957,680,470.08/134,801.60
  6. Step 6: Final answer
    x = 185,143.80

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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.