Home / 137,947.30-207,065.74-122,252.74

Finding the Fourth Proportional to 137,947.30, 207,065.74 and 122,252.74

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Solution

The fourth proportional to 137,947.30, 207,065.74 and 122,252.74 is: 183,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,947.30 : 207,065.74 = 122,252.74 : x
  2. Step 2: Convert to fraction form
    137,947.30/207,065.74 = 122,252.74/x
  3. Step 3: Cross multiply
    137,947.30x = 207,065.74 × 122,252.74
  4. Step 4: Simplify right side
    137,947.30x = 25,314,354,898.42
  5. Step 5: Solve for x
    x = 25,314,354,898.42/137,947.30
  6. Step 6: Final answer
    x = 183,507.43

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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.