Home / 137,742.95-206,694.20-57,773.80

Finding the Fourth Proportional to 137,742.95, 206,694.20 and 57,773.80

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Solution

The fourth proportional to 137,742.95, 206,694.20 and 57,773.80 is: 86,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,742.95 : 206,694.20 = 57,773.80 : x
  2. Step 2: Convert to fraction form
    137,742.95/206,694.20 = 57,773.80/x
  3. Step 3: Cross multiply
    137,742.95x = 206,694.20 × 57,773.80
  4. Step 4: Simplify right side
    137,742.95x = 11,941,509,083.09
  5. Step 5: Solve for x
    x = 11,941,509,083.09/137,742.95
  6. Step 6: Final answer
    x = 86,694.16

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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.