Home / 172,217.11-258,325.30-47,557.75

Finding the Fourth Proportional to 172,217.11, 258,325.30 and 47,557.75

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Solution

The fourth proportional to 172,217.11, 258,325.30 and 47,557.75 is: 71,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,217.11 : 258,325.30 = 47,557.75 : x
  2. Step 2: Convert to fraction form
    172,217.11/258,325.30 = 47,557.75/x
  3. Step 3: Cross multiply
    172,217.11x = 258,325.30 × 47,557.75
  4. Step 4: Simplify right side
    172,217.11x = 12,285,370,036.08
  5. Step 5: Solve for x
    x = 12,285,370,036.08/172,217.11
  6. Step 6: Final answer
    x = 71,336.52

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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.