Home / 187,232.86-258,381.42-102,349.90

Finding the Fourth Proportional to 187,232.86, 258,381.42 and 102,349.90

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Solution

The fourth proportional to 187,232.86, 258,381.42 and 102,349.90 is: 141,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,232.86 : 258,381.42 = 102,349.90 : x
  2. Step 2: Convert to fraction form
    187,232.86/258,381.42 = 102,349.90/x
  3. Step 3: Cross multiply
    187,232.86x = 258,381.42 × 102,349.90
  4. Step 4: Simplify right side
    187,232.86x = 26,445,312,498.86
  5. Step 5: Solve for x
    x = 26,445,312,498.86/187,232.86
  6. Step 6: Final answer
    x = 141,242.90

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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.