Home / 88,822.40-133,233.60-81,564.80

Finding the Fourth Proportional to 88,822.40, 133,233.60 and 81,564.80

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Solution

The fourth proportional to 88,822.40, 133,233.60 and 81,564.80 is: 122,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,822.40 : 133,233.60 = 81,564.80 : x
  2. Step 2: Convert to fraction form
    88,822.40/133,233.60 = 81,564.80/x
  3. Step 3: Cross multiply
    88,822.40x = 133,233.60 × 81,564.80
  4. Step 4: Simplify right side
    88,822.40x = 10,867,171,937.28
  5. Step 5: Solve for x
    x = 10,867,171,937.28/88,822.40
  6. Step 6: Final answer
    x = 122,347.20

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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.