Home / 185,167.33-255,531.27-100,284.42

Finding the Fourth Proportional to 185,167.33, 255,531.27 and 100,284.42

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Solution

The fourth proportional to 185,167.33, 255,531.27 and 100,284.42 is: 138,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,167.33 : 255,531.27 = 100,284.42 : x
  2. Step 2: Convert to fraction form
    185,167.33/255,531.27 = 100,284.42/x
  3. Step 3: Cross multiply
    185,167.33x = 255,531.27 × 100,284.42
  4. Step 4: Simplify right side
    185,167.33x = 25,625,803,926.16
  5. Step 5: Solve for x
    x = 25,625,803,926.16/185,167.33
  6. Step 6: Final answer
    x = 138,392.68

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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.