Home / 185,167.34-255,530.40-100,284.20

Finding the Fourth Proportional to 185,167.34, 255,530.40 and 100,284.20

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Solution

The fourth proportional to 185,167.34, 255,530.40 and 100,284.20 is: 138,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,167.34 : 255,530.40 = 100,284.20 : x
  2. Step 2: Convert to fraction form
    185,167.34/255,530.40 = 100,284.20/x
  3. Step 3: Cross multiply
    185,167.34x = 255,530.40 × 100,284.20
  4. Step 4: Simplify right side
    185,167.34x = 25,625,661,739.68
  5. Step 5: Solve for x
    x = 25,625,661,739.68/185,167.34
  6. Step 6: Final answer
    x = 138,391.91

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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.