Home / 130,162.80-195,244.20-108,001.20

Finding the Fourth Proportional to 130,162.80, 195,244.20 and 108,001.20

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Solution

The fourth proportional to 130,162.80, 195,244.20 and 108,001.20 is: 162,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.80 : 195,244.20 = 108,001.20 : x
  2. Step 2: Convert to fraction form
    130,162.80/195,244.20 = 108,001.20/x
  3. Step 3: Cross multiply
    130,162.80x = 195,244.20 × 108,001.20
  4. Step 4: Simplify right side
    130,162.80x = 21,086,607,893.04
  5. Step 5: Solve for x
    x = 21,086,607,893.04/130,162.80
  6. Step 6: Final answer
    x = 162,001.80

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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.