Home / 115,450.28-159,357.68-67,722.92

Finding the Fourth Proportional to 115,450.28, 159,357.68 and 67,722.92

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Solution

The fourth proportional to 115,450.28, 159,357.68 and 67,722.92 is: 93,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.28 : 159,357.68 = 67,722.92 : x
  2. Step 2: Convert to fraction form
    115,450.28/159,357.68 = 67,722.92/x
  3. Step 3: Cross multiply
    115,450.28x = 159,357.68 × 67,722.92
  4. Step 4: Simplify right side
    115,450.28x = 10,792,166,278.62
  5. Step 5: Solve for x
    x = 10,792,166,278.62/115,450.28
  6. Step 6: Final answer
    x = 93,478.91

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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.