Home / 165,314.97-247,775.63-115,123.32

Finding the Fourth Proportional to 165,314.97, 247,775.63 and 115,123.32

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Solution

The fourth proportional to 165,314.97, 247,775.63 and 115,123.32 is: 172,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,314.97 : 247,775.63 = 115,123.32 : x
  2. Step 2: Convert to fraction form
    165,314.97/247,775.63 = 115,123.32/x
  3. Step 3: Cross multiply
    165,314.97x = 247,775.63 × 115,123.32
  4. Step 4: Simplify right side
    165,314.97x = 28,524,752,565.08
  5. Step 5: Solve for x
    x = 28,524,752,565.08/165,314.97
  6. Step 6: Final answer
    x = 172,547.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.