Home / 125,215.34-187,834.61-45,273.30

Finding the Fourth Proportional to 125,215.34, 187,834.61 and 45,273.30

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Solution

The fourth proportional to 125,215.34, 187,834.61 and 45,273.30 is: 67,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.34 : 187,834.61 = 45,273.30 : x
  2. Step 2: Convert to fraction form
    125,215.34/187,834.61 = 45,273.30/x
  3. Step 3: Cross multiply
    125,215.34x = 187,834.61 × 45,273.30
  4. Step 4: Simplify right side
    125,215.34x = 8,503,892,422.55
  5. Step 5: Solve for x
    x = 8,503,892,422.55/125,215.34
  6. Step 6: Final answer
    x = 67,914.15

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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.