Home / 109,112.58-150,552.78-63,781.80

Finding the Fourth Proportional to 109,112.58, 150,552.78 and 63,781.80

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Solution

The fourth proportional to 109,112.58, 150,552.78 and 63,781.80 is: 88,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.58 : 150,552.78 = 63,781.80 : x
  2. Step 2: Convert to fraction form
    109,112.58/150,552.78 = 63,781.80/x
  3. Step 3: Cross multiply
    109,112.58x = 150,552.78 × 63,781.80
  4. Step 4: Simplify right side
    109,112.58x = 9,602,526,858.42
  5. Step 5: Solve for x
    x = 9,602,526,858.42/109,112.58
  6. Step 6: Final answer
    x = 88,005.68

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1.5x scale

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.