Home / 129,765.18-194,630.94-41,027.64

Finding the Fourth Proportional to 129,765.18, 194,630.94 and 41,027.64

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Solution

The fourth proportional to 129,765.18, 194,630.94 and 41,027.64 is: 61,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,765.18 : 194,630.94 = 41,027.64 : x
  2. Step 2: Convert to fraction form
    129,765.18/194,630.94 = 41,027.64/x
  3. Step 3: Cross multiply
    129,765.18x = 194,630.94 × 41,027.64
  4. Step 4: Simplify right side
    129,765.18x = 7,985,248,139.18
  5. Step 5: Solve for x
    x = 7,985,248,139.18/129,765.18
  6. Step 6: Final answer
    x = 61,536.14

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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.