Home / 187,432.81-258,663.72-102,549.85

Finding the Fourth Proportional to 187,432.81, 258,663.72 and 102,549.85

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Solution

The fourth proportional to 187,432.81, 258,663.72 and 102,549.85 is: 141,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,432.81 : 258,663.72 = 102,549.85 : x
  2. Step 2: Convert to fraction form
    187,432.81/258,663.72 = 102,549.85/x
  3. Step 3: Cross multiply
    187,432.81x = 258,663.72 × 102,549.85
  4. Step 4: Simplify right side
    187,432.81x = 26,525,925,686.44
  5. Step 5: Solve for x
    x = 26,525,925,686.44/187,432.81
  6. Step 6: Final answer
    x = 141,522.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.