Home / 80,186.72-110,654.96-44,378.24

Finding the Fourth Proportional to 80,186.72, 110,654.96 and 44,378.24

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Solution

The fourth proportional to 80,186.72, 110,654.96 and 44,378.24 is: 61,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,186.72 : 110,654.96 = 44,378.24 : x
  2. Step 2: Convert to fraction form
    80,186.72/110,654.96 = 44,378.24/x
  3. Step 3: Cross multiply
    80,186.72x = 110,654.96 × 44,378.24
  4. Step 4: Simplify right side
    80,186.72x = 4,910,671,596.90
  5. Step 5: Solve for x
    x = 4,910,671,596.90/80,186.72
  6. Step 6: Final answer
    x = 61,240.46

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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.