Home / 121,208.28-181,832.10-35,827.80

Finding the Fourth Proportional to 121,208.28, 181,832.10 and 35,827.80

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Solution

The fourth proportional to 121,208.28, 181,832.10 and 35,827.80 is: 53,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,208.28 : 181,832.10 = 35,827.80 : x
  2. Step 2: Convert to fraction form
    121,208.28/181,832.10 = 35,827.80/x
  3. Step 3: Cross multiply
    121,208.28x = 181,832.10 × 35,827.80
  4. Step 4: Simplify right side
    121,208.28x = 6,514,644,112.38
  5. Step 5: Solve for x
    x = 6,514,644,112.38/121,208.28
  6. Step 6: Final answer
    x = 53,747.52

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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.