Home / 112,541.20-168,617.40-53,249.20

Finding the Fourth Proportional to 112,541.20, 168,617.40 and 53,249.20

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Solution

The fourth proportional to 112,541.20, 168,617.40 and 53,249.20 is: 79,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.20 : 168,617.40 = 53,249.20 : x
  2. Step 2: Convert to fraction form
    112,541.20/168,617.40 = 53,249.20/x
  3. Step 3: Cross multiply
    112,541.20x = 168,617.40 × 53,249.20
  4. Step 4: Simplify right side
    112,541.20x = 8,978,741,656.08
  5. Step 5: Solve for x
    x = 8,978,741,656.08/112,541.20
  6. Step 6: Final answer
    x = 79,781.82

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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.