Home / 176,308.92-243,311.33-103,717.15

Finding the Fourth Proportional to 176,308.92, 243,311.33 and 103,717.15

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Solution

The fourth proportional to 176,308.92, 243,311.33 and 103,717.15 is: 143,132.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,308.92 : 243,311.33 = 103,717.15 : x
  2. Step 2: Convert to fraction form
    176,308.92/243,311.33 = 103,717.15/x
  3. Step 3: Cross multiply
    176,308.92x = 243,311.33 × 103,717.15
  4. Step 4: Simplify right side
    176,308.92x = 25,235,557,361.32
  5. Step 5: Solve for x
    x = 25,235,557,361.32/176,308.92
  6. Step 6: Final answer
    x = 143,132.62

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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.