Home / 185,109.66-255,451.35-100,226.70

Finding the Fourth Proportional to 185,109.66, 255,451.35 and 100,226.70

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Solution

The fourth proportional to 185,109.66, 255,451.35 and 100,226.70 is: 138,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,109.66 : 255,451.35 = 100,226.70 : x
  2. Step 2: Convert to fraction form
    185,109.66/255,451.35 = 100,226.70/x
  3. Step 3: Cross multiply
    185,109.66x = 255,451.35 × 100,226.70
  4. Step 4: Simplify right side
    185,109.66x = 25,603,045,821.05
  5. Step 5: Solve for x
    x = 25,603,045,821.05/185,109.66
  6. Step 6: Final answer
    x = 138,312.86

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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.