Home / 151,049.40-208,660.68-143,077.92

Finding the Fourth Proportional to 151,049.40, 208,660.68 and 143,077.92

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Solution

The fourth proportional to 151,049.40, 208,660.68 and 143,077.92 is: 197,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,049.40 : 208,660.68 = 143,077.92 : x
  2. Step 2: Convert to fraction form
    151,049.40/208,660.68 = 143,077.92/x
  3. Step 3: Cross multiply
    151,049.40x = 208,660.68 × 143,077.92
  4. Step 4: Simplify right side
    151,049.40x = 29,854,736,080.19
  5. Step 5: Solve for x
    x = 29,854,736,080.19/151,049.40
  6. Step 6: Final answer
    x = 197,648.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.