Home / 177,928.80-266,893.20-72,823.20

Finding the Fourth Proportional to 177,928.80, 266,893.20 and 72,823.20

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Solution

The fourth proportional to 177,928.80, 266,893.20 and 72,823.20 is: 109,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,928.80 : 266,893.20 = 72,823.20 : x
  2. Step 2: Convert to fraction form
    177,928.80/266,893.20 = 72,823.20/x
  3. Step 3: Cross multiply
    177,928.80x = 266,893.20 × 72,823.20
  4. Step 4: Simplify right side
    177,928.80x = 19,436,016,882.24
  5. Step 5: Solve for x
    x = 19,436,016,882.24/177,928.80
  6. Step 6: Final answer
    x = 109,234.80

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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.