Home / 88,221.42-132,334.74-21,661.56

Finding the Fourth Proportional to 88,221.42, 132,334.74 and 21,661.56

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Solution

The fourth proportional to 88,221.42, 132,334.74 and 21,661.56 is: 32,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,221.42 : 132,334.74 = 21,661.56 : x
  2. Step 2: Convert to fraction form
    88,221.42/132,334.74 = 21,661.56/x
  3. Step 3: Cross multiply
    88,221.42x = 132,334.74 × 21,661.56
  4. Step 4: Simplify right side
    88,221.42x = 2,866,576,910.59
  5. Step 5: Solve for x
    x = 2,866,576,910.59/88,221.42
  6. Step 6: Final answer
    x = 32,492.98

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1.5x scale

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.