Home / 144,514.20-199,430.49-80,851.98

Finding the Fourth Proportional to 144,514.20, 199,430.49 and 80,851.98

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Solution

The fourth proportional to 144,514.20, 199,430.49 and 80,851.98 is: 111,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,514.20 : 199,430.49 = 80,851.98 : x
  2. Step 2: Convert to fraction form
    144,514.20/199,430.49 = 80,851.98/x
  3. Step 3: Cross multiply
    144,514.20x = 199,430.49 × 80,851.98
  4. Step 4: Simplify right side
    144,514.20x = 16,124,349,988.87
  5. Step 5: Solve for x
    x = 16,124,349,988.87/144,514.20
  6. Step 6: Final answer
    x = 111,576.23

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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.