Home / 130,001.30-194,613.15-77,383.70

Finding the Fourth Proportional to 130,001.30, 194,613.15 and 77,383.70

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Solution

The fourth proportional to 130,001.30, 194,613.15 and 77,383.70 is: 115,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,001.30 : 194,613.15 = 77,383.70 : x
  2. Step 2: Convert to fraction form
    130,001.30/194,613.15 = 77,383.70/x
  3. Step 3: Cross multiply
    130,001.30x = 194,613.15 × 77,383.70
  4. Step 4: Simplify right side
    130,001.30x = 15,059,885,615.66
  5. Step 5: Solve for x
    x = 15,059,885,615.66/130,001.30
  6. Step 6: Final answer
    x = 115,844.12

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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.