Home / 172,214.11-258,320.80-47,554.75

Finding the Fourth Proportional to 172,214.11, 258,320.80 and 47,554.75

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Solution

The fourth proportional to 172,214.11, 258,320.80 and 47,554.75 is: 71,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214.11 : 258,320.80 = 47,554.75 : x
  2. Step 2: Convert to fraction form
    172,214.11/258,320.80 = 47,554.75/x
  3. Step 3: Cross multiply
    172,214.11x = 258,320.80 × 47,554.75
  4. Step 4: Simplify right side
    172,214.11x = 12,284,381,063.80
  5. Step 5: Solve for x
    x = 12,284,381,063.80/172,214.11
  6. Step 6: Final answer
    x = 71,332.02

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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.