Home / 116,330.46-160,517.22-72,717.91

Finding the Fourth Proportional to 116,330.46, 160,517.22 and 72,717.91

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Solution

The fourth proportional to 116,330.46, 160,517.22 and 72,717.91 is: 100,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,330.46 : 160,517.22 = 72,717.91 : x
  2. Step 2: Convert to fraction form
    116,330.46/160,517.22 = 72,717.91/x
  3. Step 3: Cross multiply
    116,330.46x = 160,517.22 × 72,717.91
  4. Step 4: Simplify right side
    116,330.46x = 11,672,476,757.41
  5. Step 5: Solve for x
    x = 11,672,476,757.41/116,330.46
  6. Step 6: Final answer
    x = 100,338.95

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1.5x scale

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.