Home / 130,920.60-196,251.30-64,306.20

Finding the Fourth Proportional to 130,920.60, 196,251.30 and 64,306.20

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Solution

The fourth proportional to 130,920.60, 196,251.30 and 64,306.20 is: 96,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,920.60 : 196,251.30 = 64,306.20 : x
  2. Step 2: Convert to fraction form
    130,920.60/196,251.30 = 64,306.20/x
  3. Step 3: Cross multiply
    130,920.60x = 196,251.30 × 64,306.20
  4. Step 4: Simplify right side
    130,920.60x = 12,620,175,348.06
  5. Step 5: Solve for x
    x = 12,620,175,348.06/130,920.60
  6. Step 6: Final answer
    x = 96,395.64

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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.