Home / 129,321.47-193,982.28-35,827.22

Finding the Fourth Proportional to 129,321.47, 193,982.28 and 35,827.22

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Solution

The fourth proportional to 129,321.47, 193,982.28 and 35,827.22 is: 53,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,321.47 : 193,982.28 = 35,827.22 : x
  2. Step 2: Convert to fraction form
    129,321.47/193,982.28 = 35,827.22/x
  3. Step 3: Cross multiply
    129,321.47x = 193,982.28 × 35,827.22
  4. Step 4: Simplify right side
    129,321.47x = 6,949,844,851.75
  5. Step 5: Solve for x
    x = 6,949,844,851.75/129,321.47
  6. Step 6: Final answer
    x = 53,740.85

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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.