Home / 177,977.80-266,966.70-161,648.20

Finding the Fourth Proportional to 177,977.80, 266,966.70 and 161,648.20

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Solution

The fourth proportional to 177,977.80, 266,966.70 and 161,648.20 is: 242,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,977.80 : 266,966.70 = 161,648.20 : x
  2. Step 2: Convert to fraction form
    177,977.80/266,966.70 = 161,648.20/x
  3. Step 3: Cross multiply
    177,977.80x = 266,966.70 × 161,648.20
  4. Step 4: Simplify right side
    177,977.80x = 43,154,686,514.94
  5. Step 5: Solve for x
    x = 43,154,686,514.94/177,977.80
  6. Step 6: Final answer
    x = 242,472.30

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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.