Home / 185,204.72-255,582.06-100,323.20

Finding the Fourth Proportional to 185,204.72, 255,582.06 and 100,323.20

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Solution

The fourth proportional to 185,204.72, 255,582.06 and 100,323.20 is: 138,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,204.72 : 255,582.06 = 100,323.20 : x
  2. Step 2: Convert to fraction form
    185,204.72/255,582.06 = 100,323.20/x
  3. Step 3: Cross multiply
    185,204.72x = 255,582.06 × 100,323.20
  4. Step 4: Simplify right side
    185,204.72x = 25,640,810,121.79
  5. Step 5: Solve for x
    x = 25,640,810,121.79/185,204.72
  6. Step 6: Final answer
    x = 138,445.77

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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.