Home / 115,444.90-159,350.25-67,717.54

Finding the Fourth Proportional to 115,444.90, 159,350.25 and 67,717.54

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Solution

The fourth proportional to 115,444.90, 159,350.25 and 67,717.54 is: 93,471.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.90 : 159,350.25 = 67,717.54 : x
  2. Step 2: Convert to fraction form
    115,444.90/159,350.25 = 67,717.54/x
  3. Step 3: Cross multiply
    115,444.90x = 159,350.25 × 67,717.54
  4. Step 4: Simplify right side
    115,444.90x = 10,790,806,928.39
  5. Step 5: Solve for x
    x = 10,790,806,928.39/115,444.90
  6. Step 6: Final answer
    x = 93,471.49

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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.