Home / 148,640.20-222,967.86-42,031.84

Finding the Fourth Proportional to 148,640.20, 222,967.86 and 42,031.84

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Solution

The fourth proportional to 148,640.20, 222,967.86 and 42,031.84 is: 63,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,640.20 : 222,967.86 = 42,031.84 : x
  2. Step 2: Convert to fraction form
    148,640.20/222,967.86 = 42,031.84/x
  3. Step 3: Cross multiply
    148,640.20x = 222,967.86 × 42,031.84
  4. Step 4: Simplify right side
    148,640.20x = 9,371,749,416.66
  5. Step 5: Solve for x
    x = 9,371,749,416.66/148,640.20
  6. Step 6: Final answer
    x = 63,049.90

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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.