Home / 88,194.67-121,661.98-55,872.27

Finding the Fourth Proportional to 88,194.67, 121,661.98 and 55,872.27

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Solution

The fourth proportional to 88,194.67, 121,661.98 and 55,872.27 is: 77,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,194.67 : 121,661.98 = 55,872.27 : x
  2. Step 2: Convert to fraction form
    88,194.67/121,661.98 = 55,872.27/x
  3. Step 3: Cross multiply
    88,194.67x = 121,661.98 × 55,872.27
  4. Step 4: Simplify right side
    88,194.67x = 6,797,530,995.29
  5. Step 5: Solve for x
    x = 6,797,530,995.29/88,194.67
  6. Step 6: Final answer
    x = 77,074.17

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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.