Home / 130,503.15-195,801.20-80,525.04

Finding the Fourth Proportional to 130,503.15, 195,801.20 and 80,525.04

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Solution

The fourth proportional to 130,503.15, 195,801.20 and 80,525.04 is: 120,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.15 : 195,801.20 = 80,525.04 : x
  2. Step 2: Convert to fraction form
    130,503.15/195,801.20 = 80,525.04/x
  3. Step 3: Cross multiply
    130,503.15x = 195,801.20 × 80,525.04
  4. Step 4: Simplify right side
    130,503.15x = 15,766,898,627.14
  5. Step 5: Solve for x
    x = 15,766,898,627.14/130,503.15
  6. Step 6: Final answer
    x = 120,816.23

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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.