Home / 130,306.20-195,167.70-112,810.20

Finding the Fourth Proportional to 130,306.20, 195,167.70 and 112,810.20

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Solution

The fourth proportional to 130,306.20, 195,167.70 and 112,810.20 is: 168,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,306.20 : 195,167.70 = 112,810.20 : x
  2. Step 2: Convert to fraction form
    130,306.20/195,167.70 = 112,810.20/x
  3. Step 3: Cross multiply
    130,306.20x = 195,167.70 × 112,810.20
  4. Step 4: Simplify right side
    130,306.20x = 22,016,907,270.54
  5. Step 5: Solve for x
    x = 22,016,907,270.54/130,306.20
  6. Step 6: Final answer
    x = 168,962.85

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1.5x scale

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.