Home / 121,310.48-182,067.96-51,240.08

Finding the Fourth Proportional to 121,310.48, 182,067.96 and 51,240.08

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Solution

The fourth proportional to 121,310.48, 182,067.96 and 51,240.08 is: 76,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.48 : 182,067.96 = 51,240.08 : x
  2. Step 2: Convert to fraction form
    121,310.48/182,067.96 = 51,240.08/x
  3. Step 3: Cross multiply
    121,310.48x = 182,067.96 × 51,240.08
  4. Step 4: Simplify right side
    121,310.48x = 9,329,176,835.84
  5. Step 5: Solve for x
    x = 9,329,176,835.84/121,310.48
  6. Step 6: Final answer
    x = 76,903.30

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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.