Home / 115,446.40-159,352.32-67,719.04

Finding the Fourth Proportional to 115,446.40, 159,352.32 and 67,719.04

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Solution

The fourth proportional to 115,446.40, 159,352.32 and 67,719.04 is: 93,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,446.40 : 159,352.32 = 67,719.04 : x
  2. Step 2: Convert to fraction form
    115,446.40/159,352.32 = 67,719.04/x
  3. Step 3: Cross multiply
    115,446.40x = 159,352.32 × 67,719.04
  4. Step 4: Simplify right side
    115,446.40x = 10,791,186,132.17
  5. Step 5: Solve for x
    x = 10,791,186,132.17/115,446.40
  6. Step 6: Final answer
    x = 93,473.56

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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.