Home / 109,112.55-150,552.73-63,781.77

Finding the Fourth Proportional to 109,112.55, 150,552.73 and 63,781.77

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Solution

The fourth proportional to 109,112.55, 150,552.73 and 63,781.77 is: 88,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.55 : 150,552.73 = 63,781.77 : x
  2. Step 2: Convert to fraction form
    109,112.55/150,552.73 = 63,781.77/x
  3. Step 3: Cross multiply
    109,112.55x = 150,552.73 × 63,781.77
  4. Step 4: Simplify right side
    109,112.55x = 9,602,519,597.73
  5. Step 5: Solve for x
    x = 9,602,519,597.73/109,112.55
  6. Step 6: Final answer
    x = 88,005.64

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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.