Home / 172,248.06-258,355.38-52,306.05

Finding the Fourth Proportional to 172,248.06, 258,355.38 and 52,306.05

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Solution

The fourth proportional to 172,248.06, 258,355.38 and 52,306.05 is: 78,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,248.06 : 258,355.38 = 52,306.05 : x
  2. Step 2: Convert to fraction form
    172,248.06/258,355.38 = 52,306.05/x
  3. Step 3: Cross multiply
    172,248.06x = 258,355.38 × 52,306.05
  4. Step 4: Simplify right side
    172,248.06x = 13,513,549,135.78
  5. Step 5: Solve for x
    x = 13,513,549,135.78/172,248.06
  6. Step 6: Final answer
    x = 78,454.00

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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.