Home / 185,207.13-255,587.07-100,324.20

Finding the Fourth Proportional to 185,207.13, 255,587.07 and 100,324.20

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Solution

The fourth proportional to 185,207.13, 255,587.07 and 100,324.20 is: 138,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,207.13 : 255,587.07 = 100,324.20 : x
  2. Step 2: Convert to fraction form
    185,207.13/255,587.07 = 100,324.20/x
  3. Step 3: Cross multiply
    185,207.13x = 255,587.07 × 100,324.20
  4. Step 4: Simplify right side
    185,207.13x = 25,641,568,328.09
  5. Step 5: Solve for x
    x = 25,641,568,328.09/185,207.13
  6. Step 6: Final answer
    x = 138,448.06

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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.