Home / 149,200.20-223,541.10-122,761.80

Finding the Fourth Proportional to 149,200.20, 223,541.10 and 122,761.80

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Solution

The fourth proportional to 149,200.20, 223,541.10 and 122,761.80 is: 183,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,200.20 : 223,541.10 = 122,761.80 : x
  2. Step 2: Convert to fraction form
    149,200.20/223,541.10 = 122,761.80/x
  3. Step 3: Cross multiply
    149,200.20x = 223,541.10 × 122,761.80
  4. Step 4: Simplify right side
    149,200.20x = 27,442,307,809.98
  5. Step 5: Solve for x
    x = 27,442,307,809.98/149,200.20
  6. Step 6: Final answer
    x = 183,929.43

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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.