Home / 148,367.18-222,195.17-76,130

Finding the Fourth Proportional to 148,367.18, 222,195.17 and 76,130

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Solution

The fourth proportional to 148,367.18, 222,195.17 and 76,130 is: 114,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,367.18 : 222,195.17 = 76,130 : x
  2. Step 2: Convert to fraction form
    148,367.18/222,195.17 = 76,130/x
  3. Step 3: Cross multiply
    148,367.18x = 222,195.17 × 76,130
  4. Step 4: Simplify right side
    148,367.18x = 16,915,718,292.10
  5. Step 5: Solve for x
    x = 16,915,718,292.10/148,367.18
  6. Step 6: Final answer
    x = 114,012.53

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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.