Home / 137,437.43-205,919.46-107,440

Finding the Fourth Proportional to 137,437.43, 205,919.46 and 107,440

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Solution

The fourth proportional to 137,437.43, 205,919.46 and 107,440 is: 160,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,437.43 : 205,919.46 = 107,440 : x
  2. Step 2: Convert to fraction form
    137,437.43/205,919.46 = 107,440/x
  3. Step 3: Cross multiply
    137,437.43x = 205,919.46 × 107,440
  4. Step 4: Simplify right side
    137,437.43x = 22,123,986,782.40
  5. Step 5: Solve for x
    x = 22,123,986,782.40/137,437.43
  6. Step 6: Final answer
    x = 160,974.97

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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.