Home / 177,579.40-266,520.30-72,473.80

Finding the Fourth Proportional to 177,579.40, 266,520.30 and 72,473.80

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Solution

The fourth proportional to 177,579.40, 266,520.30 and 72,473.80 is: 108,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,579.40 : 266,520.30 = 72,473.80 : x
  2. Step 2: Convert to fraction form
    177,579.40/266,520.30 = 72,473.80/x
  3. Step 3: Cross multiply
    177,579.40x = 266,520.30 × 72,473.80
  4. Step 4: Simplify right side
    177,579.40x = 19,315,738,918.14
  5. Step 5: Solve for x
    x = 19,315,738,918.14/177,579.40
  6. Step 6: Final answer
    x = 108,772.41

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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.