Home / 231,259.20-346,629.60-98,116.80

Finding the Fourth Proportional to 231,259.20, 346,629.60 and 98,116.80

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Solution

The fourth proportional to 231,259.20, 346,629.60 and 98,116.80 is: 147,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,259.20 : 346,629.60 = 98,116.80 : x
  2. Step 2: Convert to fraction form
    231,259.20/346,629.60 = 98,116.80/x
  3. Step 3: Cross multiply
    231,259.20x = 346,629.60 × 98,116.80
  4. Step 4: Simplify right side
    231,259.20x = 34,010,187,137.28
  5. Step 5: Solve for x
    x = 34,010,187,137.28/231,259.20
  6. Step 6: Final answer
    x = 147,065.23

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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.