Home / 165,377.70-247,869.63-115,186.14

Finding the Fourth Proportional to 165,377.70, 247,869.63 and 115,186.14

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Solution

The fourth proportional to 165,377.70, 247,869.63 and 115,186.14 is: 172,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,377.70 : 247,869.63 = 115,186.14 : x
  2. Step 2: Convert to fraction form
    165,377.70/247,869.63 = 115,186.14/x
  3. Step 3: Cross multiply
    165,377.70x = 247,869.63 × 115,186.14
  4. Step 4: Simplify right side
    165,377.70x = 28,551,145,902.93
  5. Step 5: Solve for x
    x = 28,551,145,902.93/165,377.70
  6. Step 6: Final answer
    x = 172,642.05

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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.