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Finding the Fourth Proportional to 83,149.96, 124,737.29 and 30,555.34

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Solution

The fourth proportional to 83,149.96, 124,737.29 and 30,555.34 is: 45,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,149.96 : 124,737.29 = 30,555.34 : x
  2. Step 2: Convert to fraction form
    83,149.96/124,737.29 = 30,555.34/x
  3. Step 3: Cross multiply
    83,149.96x = 124,737.29 × 30,555.34
  4. Step 4: Simplify right side
    83,149.96x = 3,811,390,153.85
  5. Step 5: Solve for x
    x = 3,811,390,153.85/83,149.96
  6. Step 6: Final answer
    x = 45,837.55

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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.