Home / 137,180.28-205,807.40-57,191.66

Finding the Fourth Proportional to 137,180.28, 205,807.40 and 57,191.66

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Solution

The fourth proportional to 137,180.28, 205,807.40 and 57,191.66 is: 85,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,180.28 : 205,807.40 = 57,191.66 : x
  2. Step 2: Convert to fraction form
    137,180.28/205,807.40 = 57,191.66/x
  3. Step 3: Cross multiply
    137,180.28x = 205,807.40 × 57,191.66
  4. Step 4: Simplify right side
    137,180.28x = 11,770,466,560.33
  5. Step 5: Solve for x
    x = 11,770,466,560.33/137,180.28
  6. Step 6: Final answer
    x = 85,802.91

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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.