Home / 115,440.25-159,334.07-67,708.98

Finding the Fourth Proportional to 115,440.25, 159,334.07 and 67,708.98

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Solution

The fourth proportional to 115,440.25, 159,334.07 and 67,708.98 is: 93,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.25 : 159,334.07 = 67,708.98 : x
  2. Step 2: Convert to fraction form
    115,440.25/159,334.07 = 67,708.98/x
  3. Step 3: Cross multiply
    115,440.25x = 159,334.07 × 67,708.98
  4. Step 4: Simplify right side
    115,440.25x = 10,788,347,358.95
  5. Step 5: Solve for x
    x = 10,788,347,358.95/115,440.25
  6. Step 6: Final answer
    x = 93,453.95

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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.