Home / 187,730.40-281,632.35-82,549.07

Finding the Fourth Proportional to 187,730.40, 281,632.35 and 82,549.07

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Solution

The fourth proportional to 187,730.40, 281,632.35 and 82,549.07 is: 123,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,730.40 : 281,632.35 = 82,549.07 : x
  2. Step 2: Convert to fraction form
    187,730.40/281,632.35 = 82,549.07/x
  3. Step 3: Cross multiply
    187,730.40x = 281,632.35 × 82,549.07
  4. Step 4: Simplify right side
    187,730.40x = 23,248,487,166.25
  5. Step 5: Solve for x
    x = 23,248,487,166.25/187,730.40
  6. Step 6: Final answer
    x = 123,839.76

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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.