Home / 115,377.28-159,190.56-67,604.96

Finding the Fourth Proportional to 115,377.28, 159,190.56 and 67,604.96

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Solution

The fourth proportional to 115,377.28, 159,190.56 and 67,604.96 is: 93,277.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,377.28 : 159,190.56 = 67,604.96 : x
  2. Step 2: Convert to fraction form
    115,377.28/159,190.56 = 67,604.96/x
  3. Step 3: Cross multiply
    115,377.28x = 159,190.56 × 67,604.96
  4. Step 4: Simplify right side
    115,377.28x = 10,762,071,441.18
  5. Step 5: Solve for x
    x = 10,762,071,441.18/115,377.28
  6. Step 6: Final answer
    x = 93,277.22

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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.