Home / 88,459.50-132,728.32-68,641.18

Finding the Fourth Proportional to 88,459.50, 132,728.32 and 68,641.18

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Solution

The fourth proportional to 88,459.50, 132,728.32 and 68,641.18 is: 102,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,459.50 : 132,728.32 = 68,641.18 : x
  2. Step 2: Convert to fraction form
    88,459.50/132,728.32 = 68,641.18/x
  3. Step 3: Cross multiply
    88,459.50x = 132,728.32 × 68,641.18
  4. Step 4: Simplify right side
    88,459.50x = 9,110,628,481.90
  5. Step 5: Solve for x
    x = 9,110,628,481.90/88,459.50
  6. Step 6: Final answer
    x = 102,992.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.