Home / 172,248.12-258,355.48-52,306.11

Finding the Fourth Proportional to 172,248.12, 258,355.48 and 52,306.11

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Solution

The fourth proportional to 172,248.12, 258,355.48 and 52,306.11 is: 78,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,248.12 : 258,355.48 = 52,306.11 : x
  2. Step 2: Convert to fraction form
    172,248.12/258,355.48 = 52,306.11/x
  3. Step 3: Cross multiply
    172,248.12x = 258,355.48 × 52,306.11
  4. Step 4: Simplify right side
    172,248.12x = 13,513,570,155.98
  5. Step 5: Solve for x
    x = 13,513,570,155.98/172,248.12
  6. Step 6: Final answer
    x = 78,454.09

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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.