Home / 121,067.50-181,630.38-37,961.50

Finding the Fourth Proportional to 121,067.50, 181,630.38 and 37,961.50

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Solution

The fourth proportional to 121,067.50, 181,630.38 and 37,961.50 is: 56,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,067.50 : 181,630.38 = 37,961.50 : x
  2. Step 2: Convert to fraction form
    121,067.50/181,630.38 = 37,961.50/x
  3. Step 3: Cross multiply
    121,067.50x = 181,630.38 × 37,961.50
  4. Step 4: Simplify right side
    121,067.50x = 6,894,961,670.37
  5. Step 5: Solve for x
    x = 6,894,961,670.37/121,067.50
  6. Step 6: Final answer
    x = 56,951.38

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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.