Home / 141,340.56-195,046.64-76,807.92

Finding the Fourth Proportional to 141,340.56, 195,046.64 and 76,807.92

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Solution

The fourth proportional to 141,340.56, 195,046.64 and 76,807.92 is: 105,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,340.56 : 195,046.64 = 76,807.92 : x
  2. Step 2: Convert to fraction form
    141,340.56/195,046.64 = 76,807.92/x
  3. Step 3: Cross multiply
    141,340.56x = 195,046.64 × 76,807.92
  4. Step 4: Simplify right side
    141,340.56x = 14,981,126,721.39
  5. Step 5: Solve for x
    x = 14,981,126,721.39/141,340.56
  6. Step 6: Final answer
    x = 105,993.12

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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.