Home / 144,309.18-199,155.51-80,652.06

Finding the Fourth Proportional to 144,309.18, 199,155.51 and 80,652.06

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Solution

The fourth proportional to 144,309.18, 199,155.51 and 80,652.06 is: 111,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,309.18 : 199,155.51 = 80,652.06 : x
  2. Step 2: Convert to fraction form
    144,309.18/199,155.51 = 80,652.06/x
  3. Step 3: Cross multiply
    144,309.18x = 199,155.51 × 80,652.06
  4. Step 4: Simplify right side
    144,309.18x = 16,062,302,141.85
  5. Step 5: Solve for x
    x = 16,062,302,141.85/144,309.18
  6. Step 6: Final answer
    x = 111,304.78

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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.