Home / 261,175.26-391,238.00-136,253.82

Finding the Fourth Proportional to 261,175.26, 391,238.00 and 136,253.82

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Solution

The fourth proportional to 261,175.26, 391,238.00 and 136,253.82 is: 204,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,175.26 : 391,238.00 = 136,253.82 : x
  2. Step 2: Convert to fraction form
    261,175.26/391,238.00 = 136,253.82/x
  3. Step 3: Cross multiply
    261,175.26x = 391,238.00 × 136,253.82
  4. Step 4: Simplify right side
    261,175.26x = 53,307,671,347.89
  5. Step 5: Solve for x
    x = 53,307,671,347.89/261,175.26
  6. Step 6: Final answer
    x = 204,106.89

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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.