Home / 185,472.10-255,951.80-100,589.23

Finding the Fourth Proportional to 185,472.10, 255,951.80 and 100,589.23

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Solution

The fourth proportional to 185,472.10, 255,951.80 and 100,589.23 is: 138,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,472.10 : 255,951.80 = 100,589.23 : x
  2. Step 2: Convert to fraction form
    185,472.10/255,951.80 = 100,589.23/x
  3. Step 3: Cross multiply
    185,472.10x = 255,951.80 × 100,589.23
  4. Step 4: Simplify right side
    185,472.10x = 25,745,994,479.11
  5. Step 5: Solve for x
    x = 25,745,994,479.11/185,472.10
  6. Step 6: Final answer
    x = 138,813.30

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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.