Home / 130,569.60-195,919.20-74,452.80

Finding the Fourth Proportional to 130,569.60, 195,919.20 and 74,452.80

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Solution

The fourth proportional to 130,569.60, 195,919.20 and 74,452.80 is: 111,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,569.60 : 195,919.20 = 74,452.80 : x
  2. Step 2: Convert to fraction form
    130,569.60/195,919.20 = 74,452.80/x
  3. Step 3: Cross multiply
    130,569.60x = 195,919.20 × 74,452.80
  4. Step 4: Simplify right side
    130,569.60x = 14,586,733,013.76
  5. Step 5: Solve for x
    x = 14,586,733,013.76/130,569.60
  6. Step 6: Final answer
    x = 111,716.15

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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.