Home / 115,487.64-159,328.22-67,723.56

Finding the Fourth Proportional to 115,487.64, 159,328.22 and 67,723.56

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Solution

The fourth proportional to 115,487.64, 159,328.22 and 67,723.56 is: 93,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487.64 : 159,328.22 = 67,723.56 : x
  2. Step 2: Convert to fraction form
    115,487.64/159,328.22 = 67,723.56/x
  3. Step 3: Cross multiply
    115,487.64x = 159,328.22 × 67,723.56
  4. Step 4: Simplify right side
    115,487.64x = 10,790,273,928.25
  5. Step 5: Solve for x
    x = 10,790,273,928.25/115,487.64
  6. Step 6: Final answer
    x = 93,432.28

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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.