Home / 187,432.50-281,149.02-76,624.50

Finding the Fourth Proportional to 187,432.50, 281,149.02 and 76,624.50

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Solution

The fourth proportional to 187,432.50, 281,149.02 and 76,624.50 is: 114,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,432.50 : 281,149.02 = 76,624.50 : x
  2. Step 2: Convert to fraction form
    187,432.50/281,149.02 = 76,624.50/x
  3. Step 3: Cross multiply
    187,432.50x = 281,149.02 × 76,624.50
  4. Step 4: Simplify right side
    187,432.50x = 21,542,903,082.99
  5. Step 5: Solve for x
    x = 21,542,903,082.99/187,432.50
  6. Step 6: Final answer
    x = 114,936.86

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1.5x scale

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.