Home / 165,324.42-247,981.14-71,830.17

Finding the Fourth Proportional to 165,324.42, 247,981.14 and 71,830.17

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Solution

The fourth proportional to 165,324.42, 247,981.14 and 71,830.17 is: 107,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,324.42 : 247,981.14 = 71,830.17 : x
  2. Step 2: Convert to fraction form
    165,324.42/247,981.14 = 71,830.17/x
  3. Step 3: Cross multiply
    165,324.42x = 247,981.14 × 71,830.17
  4. Step 4: Simplify right side
    165,324.42x = 17,812,527,442.99
  5. Step 5: Solve for x
    x = 17,812,527,442.99/165,324.42
  6. Step 6: Final answer
    x = 107,742.87

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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.