Home / 148,927.91-205,521.74-80,944.90

Finding the Fourth Proportional to 148,927.91, 205,521.74 and 80,944.90

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Solution

The fourth proportional to 148,927.91, 205,521.74 and 80,944.90 is: 111,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,927.91 : 205,521.74 = 80,944.90 : x
  2. Step 2: Convert to fraction form
    148,927.91/205,521.74 = 80,944.90/x
  3. Step 3: Cross multiply
    148,927.91x = 205,521.74 × 80,944.90
  4. Step 4: Simplify right side
    148,927.91x = 16,635,936,287.40
  5. Step 5: Solve for x
    x = 16,635,936,287.40/148,927.91
  6. Step 6: Final answer
    x = 111,704.62

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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.