Home / 146,996.64-220,320-102,381.84

Finding the Fourth Proportional to 146,996.64, 220,320 and 102,381.84

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Solution

The fourth proportional to 146,996.64, 220,320 and 102,381.84 is: 153,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,996.64 : 220,320 = 102,381.84 : x
  2. Step 2: Convert to fraction form
    146,996.64/220,320 = 102,381.84/x
  3. Step 3: Cross multiply
    146,996.64x = 220,320 × 102,381.84
  4. Step 4: Simplify right side
    146,996.64x = 22,556,766,988.80
  5. Step 5: Solve for x
    x = 22,556,766,988.80/146,996.64
  6. Step 6: Final answer
    x = 153,450.90

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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.