Home / 121,167.12-181,736.78-32,427.54

Finding the Fourth Proportional to 121,167.12, 181,736.78 and 32,427.54

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Solution

The fourth proportional to 121,167.12, 181,736.78 and 32,427.54 is: 48,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,167.12 : 181,736.78 = 32,427.54 : x
  2. Step 2: Convert to fraction form
    121,167.12/181,736.78 = 32,427.54/x
  3. Step 3: Cross multiply
    121,167.12x = 181,736.78 × 32,427.54
  4. Step 4: Simplify right side
    121,167.12x = 5,893,276,702.92
  5. Step 5: Solve for x
    x = 5,893,276,702.92/121,167.12
  6. Step 6: Final answer
    x = 48,637.59

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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.