Home / 89,983.08-134,857.18-65,106.92

Finding the Fourth Proportional to 89,983.08, 134,857.18 and 65,106.92

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Solution

The fourth proportional to 89,983.08, 134,857.18 and 65,106.92 is: 97,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.08 : 134,857.18 = 65,106.92 : x
  2. Step 2: Convert to fraction form
    89,983.08/134,857.18 = 65,106.92/x
  3. Step 3: Cross multiply
    89,983.08x = 134,857.18 × 65,106.92
  4. Step 4: Simplify right side
    89,983.08x = 8,780,135,629.69
  5. Step 5: Solve for x
    x = 8,780,135,629.69/89,983.08
  6. Step 6: Final answer
    x = 97,575.41

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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.