Home / 187,814.35-259,182.31-102,931.21

Finding the Fourth Proportional to 187,814.35, 259,182.31 and 102,931.21

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Solution

The fourth proportional to 187,814.35, 259,182.31 and 102,931.21 is: 142,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,814.35 : 259,182.31 = 102,931.21 : x
  2. Step 2: Convert to fraction form
    187,814.35/259,182.31 = 102,931.21/x
  3. Step 3: Cross multiply
    187,814.35x = 259,182.31 × 102,931.21
  4. Step 4: Simplify right side
    187,814.35x = 26,677,948,778.90
  5. Step 5: Solve for x
    x = 26,677,948,778.90/187,814.35
  6. Step 6: Final answer
    x = 142,044.25

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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.