Home / 130,069.20-194,885.10-107,761.80

Finding the Fourth Proportional to 130,069.20, 194,885.10 and 107,761.80

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Solution

The fourth proportional to 130,069.20, 194,885.10 and 107,761.80 is: 161,461.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.20 : 194,885.10 = 107,761.80 : x
  2. Step 2: Convert to fraction form
    130,069.20/194,885.10 = 107,761.80/x
  3. Step 3: Cross multiply
    130,069.20x = 194,885.10 × 107,761.80
  4. Step 4: Simplify right side
    130,069.20x = 21,001,169,169.18
  5. Step 5: Solve for x
    x = 21,001,169,169.18/130,069.20
  6. Step 6: Final answer
    x = 161,461.51

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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.