Home / 144,074.74-198,812.19-83,635.65

Finding the Fourth Proportional to 144,074.74, 198,812.19 and 83,635.65

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Solution

The fourth proportional to 144,074.74, 198,812.19 and 83,635.65 is: 115,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.74 : 198,812.19 = 83,635.65 : x
  2. Step 2: Convert to fraction form
    144,074.74/198,812.19 = 83,635.65/x
  3. Step 3: Cross multiply
    144,074.74x = 198,812.19 × 83,635.65
  4. Step 4: Simplify right side
    144,074.74x = 16,627,786,320.40
  5. Step 5: Solve for x
    x = 16,627,786,320.40/144,074.74
  6. Step 6: Final answer
    x = 115,410.84

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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.