Home / 88,680.12-133,019.80-22,120.16

Finding the Fourth Proportional to 88,680.12, 133,019.80 and 22,120.16

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Solution

The fourth proportional to 88,680.12, 133,019.80 and 22,120.16 is: 33,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.12 : 133,019.80 = 22,120.16 : x
  2. Step 2: Convert to fraction form
    88,680.12/133,019.80 = 22,120.16/x
  3. Step 3: Cross multiply
    88,680.12x = 133,019.80 × 22,120.16
  4. Step 4: Simplify right side
    88,680.12x = 2,942,419,259.17
  5. Step 5: Solve for x
    x = 2,942,419,259.17/88,680.12
  6. Step 6: Final answer
    x = 33,180.15

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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.