Home / 148,674.02-205,171.68-80,691.62

Finding the Fourth Proportional to 148,674.02, 205,171.68 and 80,691.62

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Solution

The fourth proportional to 148,674.02, 205,171.68 and 80,691.62 is: 111,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,674.02 : 205,171.68 = 80,691.62 : x
  2. Step 2: Convert to fraction form
    148,674.02/205,171.68 = 80,691.62/x
  3. Step 3: Cross multiply
    148,674.02x = 205,171.68 × 80,691.62
  4. Step 4: Simplify right side
    148,674.02x = 16,555,635,237.32
  5. Step 5: Solve for x
    x = 16,555,635,237.32/148,674.02
  6. Step 6: Final answer
    x = 111,355.27

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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.