Home / 124,189.20-186,179.31-54,015.66

Finding the Fourth Proportional to 124,189.20, 186,179.31 and 54,015.66

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Solution

The fourth proportional to 124,189.20, 186,179.31 and 54,015.66 is: 80,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,189.20 : 186,179.31 = 54,015.66 : x
  2. Step 2: Convert to fraction form
    124,189.20/186,179.31 = 54,015.66/x
  3. Step 3: Cross multiply
    124,189.20x = 186,179.31 × 54,015.66
  4. Step 4: Simplify right side
    124,189.20x = 10,056,598,307.99
  5. Step 5: Solve for x
    x = 10,056,598,307.99/124,189.20
  6. Step 6: Final answer
    x = 80,978.04

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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.