Home / 115,380.28-159,226.86-67,668.04

Finding the Fourth Proportional to 115,380.28, 159,226.86 and 67,668.04

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Solution

The fourth proportional to 115,380.28, 159,226.86 and 67,668.04 is: 93,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,380.28 : 159,226.86 = 67,668.04 : x
  2. Step 2: Convert to fraction form
    115,380.28/159,226.86 = 67,668.04/x
  3. Step 3: Cross multiply
    115,380.28x = 159,226.86 × 67,668.04
  4. Step 4: Simplify right side
    115,380.28x = 10,774,569,531.55
  5. Step 5: Solve for x
    x = 10,774,569,531.55/115,380.28
  6. Step 6: Final answer
    x = 93,383.11

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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.