Home / 187,754.28-281,631.34-124,697.50

Finding the Fourth Proportional to 187,754.28, 281,631.34 and 124,697.50

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Solution

The fourth proportional to 187,754.28, 281,631.34 and 124,697.50 is: 187,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,754.28 : 281,631.34 = 124,697.50 : x
  2. Step 2: Convert to fraction form
    187,754.28/281,631.34 = 124,697.50/x
  3. Step 3: Cross multiply
    187,754.28x = 281,631.34 × 124,697.50
  4. Step 4: Simplify right side
    187,754.28x = 35,118,724,019.65
  5. Step 5: Solve for x
    x = 35,118,724,019.65/187,754.28
  6. Step 6: Final answer
    x = 187,046.20

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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.