Home / 169,122.47-253,806.89-136,239.71

Finding the Fourth Proportional to 169,122.47, 253,806.89 and 136,239.71

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Solution

The fourth proportional to 169,122.47, 253,806.89 and 136,239.71 is: 204,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,122.47 : 253,806.89 = 136,239.71 : x
  2. Step 2: Convert to fraction form
    169,122.47/253,806.89 = 136,239.71/x
  3. Step 3: Cross multiply
    169,122.47x = 253,806.89 × 136,239.71
  4. Step 4: Simplify right side
    169,122.47x = 34,578,575,139.37
  5. Step 5: Solve for x
    x = 34,578,575,139.37/169,122.47
  6. Step 6: Final answer
    x = 204,458.79

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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.