Home / 154,918.20-232,377.30-144,420.60

Finding the Fourth Proportional to 154,918.20, 232,377.30 and 144,420.60

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Solution

The fourth proportional to 154,918.20, 232,377.30 and 144,420.60 is: 216,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,918.20 : 232,377.30 = 144,420.60 : x
  2. Step 2: Convert to fraction form
    154,918.20/232,377.30 = 144,420.60/x
  3. Step 3: Cross multiply
    154,918.20x = 232,377.30 × 144,420.60
  4. Step 4: Simplify right side
    154,918.20x = 33,560,069,092.38
  5. Step 5: Solve for x
    x = 33,560,069,092.38/154,918.20
  6. Step 6: Final answer
    x = 216,630.90

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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.