Home / 88,910.46-122,816.25-71,132.58

Finding the Fourth Proportional to 88,910.46, 122,816.25 and 71,132.58

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Solution

The fourth proportional to 88,910.46, 122,816.25 and 71,132.58 is: 98,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,910.46 : 122,816.25 = 71,132.58 : x
  2. Step 2: Convert to fraction form
    88,910.46/122,816.25 = 71,132.58/x
  3. Step 3: Cross multiply
    88,910.46x = 122,816.25 × 71,132.58
  4. Step 4: Simplify right side
    88,910.46x = 8,736,236,728.43
  5. Step 5: Solve for x
    x = 8,736,236,728.43/88,910.46
  6. Step 6: Final answer
    x = 98,258.82

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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.