Home / 119,837.39-165,379.05-66,125.87

Finding the Fourth Proportional to 119,837.39, 165,379.05 and 66,125.87

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Solution

The fourth proportional to 119,837.39, 165,379.05 and 66,125.87 is: 91,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.39 : 165,379.05 = 66,125.87 : x
  2. Step 2: Convert to fraction form
    119,837.39/165,379.05 = 66,125.87/x
  3. Step 3: Cross multiply
    119,837.39x = 165,379.05 × 66,125.87
  4. Step 4: Simplify right side
    119,837.39x = 10,935,832,734.13
  5. Step 5: Solve for x
    x = 10,935,832,734.13/119,837.39
  6. Step 6: Final answer
    x = 91,255.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.