Home / 165,131.22-247,689.54-115,063.50

Finding the Fourth Proportional to 165,131.22, 247,689.54 and 115,063.50

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Solution

The fourth proportional to 165,131.22, 247,689.54 and 115,063.50 is: 172,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,131.22 : 247,689.54 = 115,063.50 : x
  2. Step 2: Convert to fraction form
    165,131.22/247,689.54 = 115,063.50/x
  3. Step 3: Cross multiply
    165,131.22x = 247,689.54 × 115,063.50
  4. Step 4: Simplify right side
    165,131.22x = 28,500,025,385.79
  5. Step 5: Solve for x
    x = 28,500,025,385.79/165,131.22
  6. Step 6: Final answer
    x = 172,590.17

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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.