Home / 172,305.29-258,428.76-47,617.13

Finding the Fourth Proportional to 172,305.29, 258,428.76 and 47,617.13

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Solution

The fourth proportional to 172,305.29, 258,428.76 and 47,617.13 is: 71,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,305.29 : 258,428.76 = 47,617.13 : x
  2. Step 2: Convert to fraction form
    172,305.29/258,428.76 = 47,617.13/x
  3. Step 3: Cross multiply
    172,305.29x = 258,428.76 × 47,617.13
  4. Step 4: Simplify right side
    172,305.29x = 12,305,635,860.66
  5. Step 5: Solve for x
    x = 12,305,635,860.66/172,305.29
  6. Step 6: Final answer
    x = 71,417.63

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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.