Home / 148,964.67-205,575.17-80,986.23

Finding the Fourth Proportional to 148,964.67, 205,575.17 and 80,986.23

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Solution

The fourth proportional to 148,964.67, 205,575.17 and 80,986.23 is: 111,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.67 : 205,575.17 = 80,986.23 : x
  2. Step 2: Convert to fraction form
    148,964.67/205,575.17 = 80,986.23/x
  3. Step 3: Cross multiply
    148,964.67x = 205,575.17 × 80,986.23
  4. Step 4: Simplify right side
    148,964.67x = 16,648,757,594.98
  5. Step 5: Solve for x
    x = 16,648,757,594.98/148,964.67
  6. Step 6: Final answer
    x = 111,763.13

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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.