Home / 88,717.40-133,076.10-80,552.60

Finding the Fourth Proportional to 88,717.40, 133,076.10 and 80,552.60

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Solution

The fourth proportional to 88,717.40, 133,076.10 and 80,552.60 is: 120,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.40 : 133,076.10 = 80,552.60 : x
  2. Step 2: Convert to fraction form
    88,717.40/133,076.10 = 80,552.60/x
  3. Step 3: Cross multiply
    88,717.40x = 133,076.10 × 80,552.60
  4. Step 4: Simplify right side
    88,717.40x = 10,719,625,852.86
  5. Step 5: Solve for x
    x = 10,719,625,852.86/88,717.40
  6. Step 6: Final answer
    x = 120,828.90

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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.