Home / 130,335.20-195,211.20-100,656.80

Finding the Fourth Proportional to 130,335.20, 195,211.20 and 100,656.80

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Solution

The fourth proportional to 130,335.20, 195,211.20 and 100,656.80 is: 150,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,335.20 : 195,211.20 = 100,656.80 : x
  2. Step 2: Convert to fraction form
    130,335.20/195,211.20 = 100,656.80/x
  3. Step 3: Cross multiply
    130,335.20x = 195,211.20 × 100,656.80
  4. Step 4: Simplify right side
    130,335.20x = 19,649,334,716.16
  5. Step 5: Solve for x
    x = 19,649,334,716.16/130,335.20
  6. Step 6: Final answer
    x = 150,760.00

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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.