Home / 89,419.68-134,129.25-22,859.82

Finding the Fourth Proportional to 89,419.68, 134,129.25 and 22,859.82

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Solution

The fourth proportional to 89,419.68, 134,129.25 and 22,859.82 is: 34,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,419.68 : 134,129.25 = 22,859.82 : x
  2. Step 2: Convert to fraction form
    89,419.68/134,129.25 = 22,859.82/x
  3. Step 3: Cross multiply
    89,419.68x = 134,129.25 × 22,859.82
  4. Step 4: Simplify right side
    89,419.68x = 3,066,170,511.74
  5. Step 5: Solve for x
    x = 3,066,170,511.74/89,419.68
  6. Step 6: Final answer
    x = 34,289.66

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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.