Home / 95,985.20-143,934.60-43,367.60

Finding the Fourth Proportional to 95,985.20, 143,934.60 and 43,367.60

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Solution

The fourth proportional to 95,985.20, 143,934.60 and 43,367.60 is: 65,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,985.20 : 143,934.60 = 43,367.60 : x
  2. Step 2: Convert to fraction form
    95,985.20/143,934.60 = 43,367.60/x
  3. Step 3: Cross multiply
    95,985.20x = 143,934.60 × 43,367.60
  4. Step 4: Simplify right side
    95,985.20x = 6,242,098,158.96
  5. Step 5: Solve for x
    x = 6,242,098,158.96/95,985.20
  6. Step 6: Final answer
    x = 65,031.88

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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.