Home / 185,123.44-255,472.17-100,242.32

Finding the Fourth Proportional to 185,123.44, 255,472.17 and 100,242.32

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Solution

The fourth proportional to 185,123.44, 255,472.17 and 100,242.32 is: 138,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,123.44 : 255,472.17 = 100,242.32 : x
  2. Step 2: Convert to fraction form
    185,123.44/255,472.17 = 100,242.32/x
  3. Step 3: Cross multiply
    185,123.44x = 255,472.17 × 100,242.32
  4. Step 4: Simplify right side
    185,123.44x = 25,609,123,016.23
  5. Step 5: Solve for x
    x = 25,609,123,016.23/185,123.44
  6. Step 6: Final answer
    x = 138,335.39

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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.