Home / 147,129.60-220,613.76-58,293.12

Finding the Fourth Proportional to 147,129.60, 220,613.76 and 58,293.12

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Solution

The fourth proportional to 147,129.60, 220,613.76 and 58,293.12 is: 87,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,129.60 : 220,613.76 = 58,293.12 : x
  2. Step 2: Convert to fraction form
    147,129.60/220,613.76 = 58,293.12/x
  3. Step 3: Cross multiply
    147,129.60x = 220,613.76 × 58,293.12
  4. Step 4: Simplify right side
    147,129.60x = 12,860,264,385.33
  5. Step 5: Solve for x
    x = 12,860,264,385.33/147,129.60
  6. Step 6: Final answer
    x = 87,407.73

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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.