Home / 100,934.20-151,401.30-98,860.60

Finding the Fourth Proportional to 100,934.20, 151,401.30 and 98,860.60

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Solution

The fourth proportional to 100,934.20, 151,401.30 and 98,860.60 is: 148,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,934.20 : 151,401.30 = 98,860.60 : x
  2. Step 2: Convert to fraction form
    100,934.20/151,401.30 = 98,860.60/x
  3. Step 3: Cross multiply
    100,934.20x = 151,401.30 × 98,860.60
  4. Step 4: Simplify right side
    100,934.20x = 14,967,623,358.78
  5. Step 5: Solve for x
    x = 14,967,623,358.78/100,934.20
  6. Step 6: Final answer
    x = 148,290.90

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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.