Home / 187,582.32-258,863.60-102,699.38

Finding the Fourth Proportional to 187,582.32, 258,863.60 and 102,699.38

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Solution

The fourth proportional to 187,582.32, 258,863.60 and 102,699.38 is: 141,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,582.32 : 258,863.60 = 102,699.38 : x
  2. Step 2: Convert to fraction form
    187,582.32/258,863.60 = 102,699.38/x
  3. Step 3: Cross multiply
    187,582.32x = 258,863.60 × 102,699.38
  4. Step 4: Simplify right side
    187,582.32x = 26,585,132,128.48
  5. Step 5: Solve for x
    x = 26,585,132,128.48/187,582.32
  6. Step 6: Final answer
    x = 141,725.15

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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.