Home / 143,698.16-198,306.97-80,037.02

Finding the Fourth Proportional to 143,698.16, 198,306.97 and 80,037.02

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Solution

The fourth proportional to 143,698.16, 198,306.97 and 80,037.02 is: 110,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,698.16 : 198,306.97 = 80,037.02 : x
  2. Step 2: Convert to fraction form
    143,698.16/198,306.97 = 80,037.02/x
  3. Step 3: Cross multiply
    143,698.16x = 198,306.97 × 80,037.02
  4. Step 4: Simplify right side
    143,698.16x = 15,871,899,219.70
  5. Step 5: Solve for x
    x = 15,871,899,219.70/143,698.16
  6. Step 6: Final answer
    x = 110,453.04

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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.