Home / 130,358.20-195,245.70-112,862.20

Finding the Fourth Proportional to 130,358.20, 195,245.70 and 112,862.20

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Solution

The fourth proportional to 130,358.20, 195,245.70 and 112,862.20 is: 169,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,358.20 : 195,245.70 = 112,862.20 : x
  2. Step 2: Convert to fraction form
    130,358.20/195,245.70 = 112,862.20/x
  3. Step 3: Cross multiply
    130,358.20x = 195,245.70 × 112,862.20
  4. Step 4: Simplify right side
    130,358.20x = 22,035,859,242.54
  5. Step 5: Solve for x
    x = 22,035,859,242.54/130,358.20
  6. Step 6: Final answer
    x = 169,040.84

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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.