Home / 185,170.24-255,534.51-100,287.10

Finding the Fourth Proportional to 185,170.24, 255,534.51 and 100,287.10

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Solution

The fourth proportional to 185,170.24, 255,534.51 and 100,287.10 is: 138,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,170.24 : 255,534.51 = 100,287.10 : x
  2. Step 2: Convert to fraction form
    185,170.24/255,534.51 = 100,287.10/x
  3. Step 3: Cross multiply
    185,170.24x = 255,534.51 × 100,287.10
  4. Step 4: Simplify right side
    185,170.24x = 25,626,814,957.82
  5. Step 5: Solve for x
    x = 25,626,814,957.82/185,170.24
  6. Step 6: Final answer
    x = 138,395.97

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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.