Home / 146,537.60-219,806.40-145,500.80

Finding the Fourth Proportional to 146,537.60, 219,806.40 and 145,500.80

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Solution

The fourth proportional to 146,537.60, 219,806.40 and 145,500.80 is: 218,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,537.60 : 219,806.40 = 145,500.80 : x
  2. Step 2: Convert to fraction form
    146,537.60/219,806.40 = 145,500.80/x
  3. Step 3: Cross multiply
    146,537.60x = 219,806.40 × 145,500.80
  4. Step 4: Simplify right side
    146,537.60x = 31,982,007,045.12
  5. Step 5: Solve for x
    x = 31,982,007,045.12/146,537.60
  6. Step 6: Final answer
    x = 218,251.20

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1.5x scale

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.