Home / 83,147.49-124,762.94-38,777.73

Finding the Fourth Proportional to 83,147.49, 124,762.94 and 38,777.73

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Solution

The fourth proportional to 83,147.49, 124,762.94 and 38,777.73 is: 58,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,147.49 : 124,762.94 = 38,777.73 : x
  2. Step 2: Convert to fraction form
    83,147.49/124,762.94 = 38,777.73/x
  3. Step 3: Cross multiply
    83,147.49x = 124,762.94 × 38,777.73
  4. Step 4: Simplify right side
    83,147.49x = 4,838,023,407.44
  5. Step 5: Solve for x
    x = 4,838,023,407.44/83,147.49
  6. Step 6: Final answer
    x = 58,186.04

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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.