Home / 96,470.28-143,849.97-90,035.64

Finding the Fourth Proportional to 96,470.28, 143,849.97 and 90,035.64

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Solution

The fourth proportional to 96,470.28, 143,849.97 and 90,035.64 is: 134,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,470.28 : 143,849.97 = 90,035.64 : x
  2. Step 2: Convert to fraction form
    96,470.28/143,849.97 = 90,035.64/x
  3. Step 3: Cross multiply
    96,470.28x = 143,849.97 × 90,035.64
  4. Step 4: Simplify right side
    96,470.28x = 12,951,624,112.93
  5. Step 5: Solve for x
    x = 12,951,624,112.93/96,470.28
  6. Step 6: Final answer
    x = 134,255.07

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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.