Home / 109,273.78-150,796.38-61,531.84

Finding the Fourth Proportional to 109,273.78, 150,796.38 and 61,531.84

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Solution

The fourth proportional to 109,273.78, 150,796.38 and 61,531.84 is: 84,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,273.78 : 150,796.38 = 61,531.84 : x
  2. Step 2: Convert to fraction form
    109,273.78/150,796.38 = 61,531.84/x
  3. Step 3: Cross multiply
    109,273.78x = 150,796.38 × 61,531.84
  4. Step 4: Simplify right side
    109,273.78x = 9,278,778,726.74
  5. Step 5: Solve for x
    x = 9,278,778,726.74/109,273.78
  6. Step 6: Final answer
    x = 84,913.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.