Home / 185,167.40-255,530.77-100,284.80

Finding the Fourth Proportional to 185,167.40, 255,530.77 and 100,284.80

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Solution

The fourth proportional to 185,167.40, 255,530.77 and 100,284.80 is: 138,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,167.40 : 255,530.77 = 100,284.80 : x
  2. Step 2: Convert to fraction form
    185,167.40/255,530.77 = 100,284.80/x
  3. Step 3: Cross multiply
    185,167.40x = 255,530.77 × 100,284.80
  4. Step 4: Simplify right side
    185,167.40x = 25,625,850,634.93
  5. Step 5: Solve for x
    x = 25,625,850,634.93/185,167.40
  6. Step 6: Final answer
    x = 138,392.89

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1.5x scale

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.