Home / 129,314.64-193,972.20-35,820.64

Finding the Fourth Proportional to 129,314.64, 193,972.20 and 35,820.64

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Solution

The fourth proportional to 129,314.64, 193,972.20 and 35,820.64 is: 53,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,314.64 : 193,972.20 = 35,820.64 : x
  2. Step 2: Convert to fraction form
    129,314.64/193,972.20 = 35,820.64/x
  3. Step 3: Cross multiply
    129,314.64x = 193,972.20 × 35,820.64
  4. Step 4: Simplify right side
    129,314.64x = 6,948,208,346.21
  5. Step 5: Solve for x
    x = 6,948,208,346.21/129,314.64
  6. Step 6: Final answer
    x = 53,731.03

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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.