Home / 125,170.11-187,753.34-30,401.02

Finding the Fourth Proportional to 125,170.11, 187,753.34 and 30,401.02

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Solution

The fourth proportional to 125,170.11, 187,753.34 and 30,401.02 is: 45,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.11 : 187,753.34 = 30,401.02 : x
  2. Step 2: Convert to fraction form
    125,170.11/187,753.34 = 30,401.02/x
  3. Step 3: Cross multiply
    125,170.11x = 187,753.34 × 30,401.02
  4. Step 4: Simplify right side
    125,170.11x = 5,707,893,355.10
  5. Step 5: Solve for x
    x = 5,707,893,355.10/125,170.11
  6. Step 6: Final answer
    x = 45,601.09

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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.