Home / 89,418.75-134,129.50-22,857.41

Finding the Fourth Proportional to 89,418.75, 134,129.50 and 22,857.41

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Solution

The fourth proportional to 89,418.75, 134,129.50 and 22,857.41 is: 34,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,418.75 : 134,129.50 = 22,857.41 : x
  2. Step 2: Convert to fraction form
    89,418.75/134,129.50 = 22,857.41/x
  3. Step 3: Cross multiply
    89,418.75x = 134,129.50 × 22,857.41
  4. Step 4: Simplify right side
    89,418.75x = 3,065,852,189.66
  5. Step 5: Solve for x
    x = 3,065,852,189.66/89,418.75
  6. Step 6: Final answer
    x = 34,286.46

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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.