Home / 144,003.84-198,725.42-80,341.65

Finding the Fourth Proportional to 144,003.84, 198,725.42 and 80,341.65

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Solution

The fourth proportional to 144,003.84, 198,725.42 and 80,341.65 is: 110,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,003.84 : 198,725.42 = 80,341.65 : x
  2. Step 2: Convert to fraction form
    144,003.84/198,725.42 = 80,341.65/x
  3. Step 3: Cross multiply
    144,003.84x = 198,725.42 × 80,341.65
  4. Step 4: Simplify right side
    144,003.84x = 15,965,928,139.74
  5. Step 5: Solve for x
    x = 15,965,928,139.74/144,003.84
  6. Step 6: Final answer
    x = 110,871.54

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1.5x scale

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.