Home / 177,529.80-266,294.70-137,872.20

Finding the Fourth Proportional to 177,529.80, 266,294.70 and 137,872.20

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Solution

The fourth proportional to 177,529.80, 266,294.70 and 137,872.20 is: 206,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,529.80 : 266,294.70 = 137,872.20 : x
  2. Step 2: Convert to fraction form
    177,529.80/266,294.70 = 137,872.20/x
  3. Step 3: Cross multiply
    177,529.80x = 266,294.70 × 137,872.20
  4. Step 4: Simplify right side
    177,529.80x = 36,714,636,137.34
  5. Step 5: Solve for x
    x = 36,714,636,137.34/177,529.80
  6. Step 6: Final answer
    x = 206,808.30

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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.