Home / 169,197.09-253,818.13-79,227.52

Finding the Fourth Proportional to 169,197.09, 253,818.13 and 79,227.52

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Solution

The fourth proportional to 169,197.09, 253,818.13 and 79,227.52 is: 118,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,197.09 : 253,818.13 = 79,227.52 : x
  2. Step 2: Convert to fraction form
    169,197.09/253,818.13 = 79,227.52/x
  3. Step 3: Cross multiply
    169,197.09x = 253,818.13 × 79,227.52
  4. Step 4: Simplify right side
    169,197.09x = 20,109,379,701.85
  5. Step 5: Solve for x
    x = 20,109,379,701.85/169,197.09
  6. Step 6: Final answer
    x = 118,851.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.