Home / 129,714.20-194,547.30-36,200.60

Finding the Fourth Proportional to 129,714.20, 194,547.30 and 36,200.60

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Solution

The fourth proportional to 129,714.20, 194,547.30 and 36,200.60 is: 54,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,714.20 : 194,547.30 = 36,200.60 : x
  2. Step 2: Convert to fraction form
    129,714.20/194,547.30 = 36,200.60/x
  3. Step 3: Cross multiply
    129,714.20x = 194,547.30 × 36,200.60
  4. Step 4: Simplify right side
    129,714.20x = 7,042,728,988.38
  5. Step 5: Solve for x
    x = 7,042,728,988.38/129,714.20
  6. Step 6: Final answer
    x = 54,294.20

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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.