Home / 121,181.16-181,687.42-53,676.55

Finding the Fourth Proportional to 121,181.16, 181,687.42 and 53,676.55

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Solution

The fourth proportional to 121,181.16, 181,687.42 and 53,676.55 is: 80,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.16 : 181,687.42 = 53,676.55 : x
  2. Step 2: Convert to fraction form
    121,181.16/181,687.42 = 53,676.55/x
  3. Step 3: Cross multiply
    121,181.16x = 181,687.42 × 53,676.55
  4. Step 4: Simplify right side
    121,181.16x = 9,752,354,178.21
  5. Step 5: Solve for x
    x = 9,752,354,178.21/121,181.16
  6. Step 6: Final answer
    x = 80,477.48

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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.