Home / 130,122.40-194,876.40-88,343.20

Finding the Fourth Proportional to 130,122.40, 194,876.40 and 88,343.20

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Solution

The fourth proportional to 130,122.40, 194,876.40 and 88,343.20 is: 132,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122.40 : 194,876.40 = 88,343.20 : x
  2. Step 2: Convert to fraction form
    130,122.40/194,876.40 = 88,343.20/x
  3. Step 3: Cross multiply
    130,122.40x = 194,876.40 × 88,343.20
  4. Step 4: Simplify right side
    130,122.40x = 17,216,004,780.48
  5. Step 5: Solve for x
    x = 17,216,004,780.48/130,122.40
  6. Step 6: Final answer
    x = 132,306.23

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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.