Home / 129,770.60-194,619.45-41,051.30

Finding the Fourth Proportional to 129,770.60, 194,619.45 and 41,051.30

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Solution

The fourth proportional to 129,770.60, 194,619.45 and 41,051.30 is: 61,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.60 : 194,619.45 = 41,051.30 : x
  2. Step 2: Convert to fraction form
    129,770.60/194,619.45 = 41,051.30/x
  3. Step 3: Cross multiply
    129,770.60x = 194,619.45 × 41,051.30
  4. Step 4: Simplify right side
    129,770.60x = 7,989,381,427.79
  5. Step 5: Solve for x
    x = 7,989,381,427.79/129,770.60
  6. Step 6: Final answer
    x = 61,565.42

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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.