Home / 116,452.28-160,765.26-78,411.80

Finding the Fourth Proportional to 116,452.28, 160,765.26 and 78,411.80

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Solution

The fourth proportional to 116,452.28, 160,765.26 and 78,411.80 is: 108,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,452.28 : 160,765.26 = 78,411.80 : x
  2. Step 2: Convert to fraction form
    116,452.28/160,765.26 = 78,411.80/x
  3. Step 3: Cross multiply
    116,452.28x = 160,765.26 × 78,411.80
  4. Step 4: Simplify right side
    116,452.28x = 12,605,893,414.07
  5. Step 5: Solve for x
    x = 12,605,893,414.07/116,452.28
  6. Step 6: Final answer
    x = 108,249.43

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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.