Home / 137,529.66-205,353.56-123,205.70

Finding the Fourth Proportional to 137,529.66, 205,353.56 and 123,205.70

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Solution

The fourth proportional to 137,529.66, 205,353.56 and 123,205.70 is: 183,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,529.66 : 205,353.56 = 123,205.70 : x
  2. Step 2: Convert to fraction form
    137,529.66/205,353.56 = 123,205.70/x
  3. Step 3: Cross multiply
    137,529.66x = 205,353.56 × 123,205.70
  4. Step 4: Simplify right side
    137,529.66x = 25,300,729,107.29
  5. Step 5: Solve for x
    x = 25,300,729,107.29/137,529.66
  6. Step 6: Final answer
    x = 183,965.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.