Home / 187,316.64-258,514.20-111,863.52

Finding the Fourth Proportional to 187,316.64, 258,514.20 and 111,863.52

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Solution

The fourth proportional to 187,316.64, 258,514.20 and 111,863.52 is: 154,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,316.64 : 258,514.20 = 111,863.52 : x
  2. Step 2: Convert to fraction form
    187,316.64/258,514.20 = 111,863.52/x
  3. Step 3: Cross multiply
    187,316.64x = 258,514.20 × 111,863.52
  4. Step 4: Simplify right side
    187,316.64x = 28,918,308,381.98
  5. Step 5: Solve for x
    x = 28,918,308,381.98/187,316.64
  6. Step 6: Final answer
    x = 154,381.95

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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.