Home / 185,331.36-255,750.36-100,446.60

Finding the Fourth Proportional to 185,331.36, 255,750.36 and 100,446.60

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Solution

The fourth proportional to 185,331.36, 255,750.36 and 100,446.60 is: 138,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,331.36 : 255,750.36 = 100,446.60 : x
  2. Step 2: Convert to fraction form
    185,331.36/255,750.36 = 100,446.60/x
  3. Step 3: Cross multiply
    185,331.36x = 255,750.36 × 100,446.60
  4. Step 4: Simplify right side
    185,331.36x = 25,689,254,110.78
  5. Step 5: Solve for x
    x = 25,689,254,110.78/185,331.36
  6. Step 6: Final answer
    x = 138,612.56

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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.