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Finding the Fourth Proportional to 137,637.70, 206,456.55 and 44,152.90

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Solution

The fourth proportional to 137,637.70, 206,456.55 and 44,152.90 is: 66,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,637.70 : 206,456.55 = 44,152.90 : x
  2. Step 2: Convert to fraction form
    137,637.70/206,456.55 = 44,152.90/x
  3. Step 3: Cross multiply
    137,637.70x = 206,456.55 × 44,152.90
  4. Step 4: Simplify right side
    137,637.70x = 9,115,655,406.50
  5. Step 5: Solve for x
    x = 9,115,655,406.50/137,637.70
  6. Step 6: Final answer
    x = 66,229.35

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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.