Home / 144,279.63-199,102.17-80,617.95

Finding the Fourth Proportional to 144,279.63, 199,102.17 and 80,617.95

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Solution

The fourth proportional to 144,279.63, 199,102.17 and 80,617.95 is: 111,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,279.63 : 199,102.17 = 80,617.95 : x
  2. Step 2: Convert to fraction form
    144,279.63/199,102.17 = 80,617.95/x
  3. Step 3: Cross multiply
    144,279.63x = 199,102.17 × 80,617.95
  4. Step 4: Simplify right side
    144,279.63x = 16,051,208,785.95
  5. Step 5: Solve for x
    x = 16,051,208,785.95/144,279.63
  6. Step 6: Final answer
    x = 111,250.69

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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.