Home / 187,422.65-281,139.36-73,565.73

Finding the Fourth Proportional to 187,422.65, 281,139.36 and 73,565.73

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Solution

The fourth proportional to 187,422.65, 281,139.36 and 73,565.73 is: 110,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,422.65 : 281,139.36 = 73,565.73 : x
  2. Step 2: Convert to fraction form
    187,422.65/281,139.36 = 73,565.73/x
  3. Step 3: Cross multiply
    187,422.65x = 281,139.36 × 73,565.73
  4. Step 4: Simplify right side
    187,422.65x = 20,682,221,056.06
  5. Step 5: Solve for x
    x = 20,682,221,056.06/187,422.65
  6. Step 6: Final answer
    x = 110,350.70

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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.