Home / 144,315.03-199,160.89-80,652.82

Finding the Fourth Proportional to 144,315.03, 199,160.89 and 80,652.82

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Solution

The fourth proportional to 144,315.03, 199,160.89 and 80,652.82 is: 111,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,315.03 : 199,160.89 = 80,652.82 : x
  2. Step 2: Convert to fraction form
    144,315.03/199,160.89 = 80,652.82/x
  3. Step 3: Cross multiply
    144,315.03x = 199,160.89 × 80,652.82
  4. Step 4: Simplify right side
    144,315.03x = 16,062,887,008.95
  5. Step 5: Solve for x
    x = 16,062,887,008.95/144,315.03
  6. Step 6: Final answer
    x = 111,304.33

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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.