Home / 89,982.08-134,855.68-65,105.92

Finding the Fourth Proportional to 89,982.08, 134,855.68 and 65,105.92

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Solution

The fourth proportional to 89,982.08, 134,855.68 and 65,105.92 is: 97,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.08 : 134,855.68 = 65,105.92 : x
  2. Step 2: Convert to fraction form
    89,982.08/134,855.68 = 65,105.92/x
  3. Step 3: Cross multiply
    89,982.08x = 134,855.68 × 65,105.92
  4. Step 4: Simplify right side
    89,982.08x = 8,779,903,113.63
  5. Step 5: Solve for x
    x = 8,779,903,113.63/89,982.08
  6. Step 6: Final answer
    x = 97,573.91

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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.