Home / 137,532.20-206,298.30-102,540.20

Finding the Fourth Proportional to 137,532.20, 206,298.30 and 102,540.20

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Solution

The fourth proportional to 137,532.20, 206,298.30 and 102,540.20 is: 153,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,532.20 : 206,298.30 = 102,540.20 : x
  2. Step 2: Convert to fraction form
    137,532.20/206,298.30 = 102,540.20/x
  3. Step 3: Cross multiply
    137,532.20x = 206,298.30 × 102,540.20
  4. Step 4: Simplify right side
    137,532.20x = 21,153,868,941.66
  5. Step 5: Solve for x
    x = 21,153,868,941.66/137,532.20
  6. Step 6: Final answer
    x = 153,810.30

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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.