Home / 148,287.13-204,636.42-80,304.21

Finding the Fourth Proportional to 148,287.13, 204,636.42 and 80,304.21

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Solution

The fourth proportional to 148,287.13, 204,636.42 and 80,304.21 is: 110,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.13 : 204,636.42 = 80,304.21 : x
  2. Step 2: Convert to fraction form
    148,287.13/204,636.42 = 80,304.21/x
  3. Step 3: Cross multiply
    148,287.13x = 204,636.42 × 80,304.21
  4. Step 4: Simplify right side
    148,287.13x = 16,433,166,045.33
  5. Step 5: Solve for x
    x = 16,433,166,045.33/148,287.13
  6. Step 6: Final answer
    x = 110,819.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.