Home / 187,311.45-280,967.18-124,325.85

Finding the Fourth Proportional to 187,311.45, 280,967.18 and 124,325.85

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Solution

The fourth proportional to 187,311.45, 280,967.18 and 124,325.85 is: 186,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,311.45 : 280,967.18 = 124,325.85 : x
  2. Step 2: Convert to fraction form
    187,311.45/280,967.18 = 124,325.85/x
  3. Step 3: Cross multiply
    187,311.45x = 280,967.18 × 124,325.85
  4. Step 4: Simplify right side
    187,311.45x = 34,931,482,853.97
  5. Step 5: Solve for x
    x = 34,931,482,853.97/187,311.45
  6. Step 6: Final answer
    x = 186,488.78

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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.