Home / 143,962.83-198,669.06-80,304.75

Finding the Fourth Proportional to 143,962.83, 198,669.06 and 80,304.75

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Solution

The fourth proportional to 143,962.83, 198,669.06 and 80,304.75 is: 110,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,962.83 : 198,669.06 = 80,304.75 : x
  2. Step 2: Convert to fraction form
    143,962.83/198,669.06 = 80,304.75/x
  3. Step 3: Cross multiply
    143,962.83x = 198,669.06 × 80,304.75
  4. Step 4: Simplify right side
    143,962.83x = 15,954,069,196.04
  5. Step 5: Solve for x
    x = 15,954,069,196.04/143,962.83
  6. Step 6: Final answer
    x = 110,820.75

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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.