Home / 185,119.47-255,492.14-108,680.73

Finding the Fourth Proportional to 185,119.47, 255,492.14 and 108,680.73

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Solution

The fourth proportional to 185,119.47, 255,492.14 and 108,680.73 is: 149,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,119.47 : 255,492.14 = 108,680.73 : x
  2. Step 2: Convert to fraction form
    185,119.47/255,492.14 = 108,680.73/x
  3. Step 3: Cross multiply
    185,119.47x = 255,492.14 × 108,680.73
  4. Step 4: Simplify right side
    185,119.47x = 27,767,070,782.96
  5. Step 5: Solve for x
    x = 27,767,070,782.96/185,119.47
  6. Step 6: Final answer
    x = 149,995.41

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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.