Home / 148,521.80-222,782.70-115,344.20

Finding the Fourth Proportional to 148,521.80, 222,782.70 and 115,344.20

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Solution

The fourth proportional to 148,521.80, 222,782.70 and 115,344.20 is: 173,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,521.80 : 222,782.70 = 115,344.20 : x
  2. Step 2: Convert to fraction form
    148,521.80/222,782.70 = 115,344.20/x
  3. Step 3: Cross multiply
    148,521.80x = 222,782.70 × 115,344.20
  4. Step 4: Simplify right side
    148,521.80x = 25,696,692,305.34
  5. Step 5: Solve for x
    x = 25,696,692,305.34/148,521.80
  6. Step 6: Final answer
    x = 173,016.30

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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.