Home / 137,949.31-207,068.75-122,254.75

Finding the Fourth Proportional to 137,949.31, 207,068.75 and 122,254.75

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Solution

The fourth proportional to 137,949.31, 207,068.75 and 122,254.75 is: 183,510.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,949.31 : 207,068.75 = 122,254.75 : x
  2. Step 2: Convert to fraction form
    137,949.31/207,068.75 = 122,254.75/x
  3. Step 3: Cross multiply
    137,949.31x = 207,068.75 × 122,254.75
  4. Step 4: Simplify right side
    137,949.31x = 25,315,138,264.06
  5. Step 5: Solve for x
    x = 25,315,138,264.06/137,949.31
  6. Step 6: Final answer
    x = 183,510.44

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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.