Home / 144,371.26-199,238.52-80,709.04

Finding the Fourth Proportional to 144,371.26, 199,238.52 and 80,709.04

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Solution

The fourth proportional to 144,371.26, 199,238.52 and 80,709.04 is: 111,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,371.26 : 199,238.52 = 80,709.04 : x
  2. Step 2: Convert to fraction form
    144,371.26/199,238.52 = 80,709.04/x
  3. Step 3: Cross multiply
    144,371.26x = 199,238.52 × 80,709.04
  4. Step 4: Simplify right side
    144,371.26x = 16,080,349,680.22
  5. Step 5: Solve for x
    x = 16,080,349,680.22/144,371.26
  6. Step 6: Final answer
    x = 111,381.93

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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.