Home / 187,423.30-258,643.83-102,540.16

Finding the Fourth Proportional to 187,423.30, 258,643.83 and 102,540.16

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Solution

The fourth proportional to 187,423.30, 258,643.83 and 102,540.16 is: 141,505.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.30 : 258,643.83 = 102,540.16 : x
  2. Step 2: Convert to fraction form
    187,423.30/258,643.83 = 102,540.16/x
  3. Step 3: Cross multiply
    187,423.30x = 258,643.83 × 102,540.16
  4. Step 4: Simplify right side
    187,423.30x = 26,521,379,711.21
  5. Step 5: Solve for x
    x = 26,521,379,711.21/187,423.30
  6. Step 6: Final answer
    x = 141,505.24

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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.