Home / 129,214.83-193,825.89-35,720.58

Finding the Fourth Proportional to 129,214.83, 193,825.89 and 35,720.58

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Solution

The fourth proportional to 129,214.83, 193,825.89 and 35,720.58 is: 53,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,214.83 : 193,825.89 = 35,720.58 : x
  2. Step 2: Convert to fraction form
    129,214.83/193,825.89 = 35,720.58/x
  3. Step 3: Cross multiply
    129,214.83x = 193,825.89 × 35,720.58
  4. Step 4: Simplify right side
    129,214.83x = 6,923,573,209.82
  5. Step 5: Solve for x
    x = 6,923,573,209.82/129,214.83
  6. Step 6: Final answer
    x = 53,581.88

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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.