Home / 181,207.40-271,940.70-76,101.80

Finding the Fourth Proportional to 181,207.40, 271,940.70 and 76,101.80

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Solution

The fourth proportional to 181,207.40, 271,940.70 and 76,101.80 is: 114,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,207.40 : 271,940.70 = 76,101.80 : x
  2. Step 2: Convert to fraction form
    181,207.40/271,940.70 = 76,101.80/x
  3. Step 3: Cross multiply
    181,207.40x = 271,940.70 × 76,101.80
  4. Step 4: Simplify right side
    181,207.40x = 20,695,176,763.26
  5. Step 5: Solve for x
    x = 20,695,176,763.26/181,207.40
  6. Step 6: Final answer
    x = 114,207.13

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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.