Home / 172,221.13-258,346.55-47,562.13

Finding the Fourth Proportional to 172,221.13, 258,346.55 and 47,562.13

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Solution

The fourth proportional to 172,221.13, 258,346.55 and 47,562.13 is: 71,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,221.13 : 258,346.55 = 47,562.13 : x
  2. Step 2: Convert to fraction form
    172,221.13/258,346.55 = 47,562.13/x
  3. Step 3: Cross multiply
    172,221.13x = 258,346.55 × 47,562.13
  4. Step 4: Simplify right side
    172,221.13x = 12,287,512,196.15
  5. Step 5: Solve for x
    x = 12,287,512,196.15/172,221.13
  6. Step 6: Final answer
    x = 71,347.30

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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.