Home / 120,370.44-180,533.78-36,110.78

Finding the Fourth Proportional to 120,370.44, 180,533.78 and 36,110.78

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Solution

The fourth proportional to 120,370.44, 180,533.78 and 36,110.78 is: 54,159.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.44 : 180,533.78 = 36,110.78 : x
  2. Step 2: Convert to fraction form
    120,370.44/180,533.78 = 36,110.78/x
  3. Step 3: Cross multiply
    120,370.44x = 180,533.78 × 36,110.78
  4. Step 4: Simplify right side
    120,370.44x = 6,519,215,612.15
  5. Step 5: Solve for x
    x = 6,519,215,612.15/120,370.44
  6. Step 6: Final answer
    x = 54,159.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.