Home / 144,049.59-215,034.75-137,579.31

Finding the Fourth Proportional to 144,049.59, 215,034.75 and 137,579.31

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Solution

The fourth proportional to 144,049.59, 215,034.75 and 137,579.31 is: 205,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.59 : 215,034.75 = 137,579.31 : x
  2. Step 2: Convert to fraction form
    144,049.59/215,034.75 = 137,579.31/x
  3. Step 3: Cross multiply
    144,049.59x = 215,034.75 × 137,579.31
  4. Step 4: Simplify right side
    144,049.59x = 29,584,332,531.02
  5. Step 5: Solve for x
    x = 29,584,332,531.02/144,049.59
  6. Step 6: Final answer
    x = 205,376.03

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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.