Home / 119,918.12-165,508.67-71,523.15

Finding the Fourth Proportional to 119,918.12, 165,508.67 and 71,523.15

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Solution

The fourth proportional to 119,918.12, 165,508.67 and 71,523.15 is: 98,714.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,918.12 : 165,508.67 = 71,523.15 : x
  2. Step 2: Convert to fraction form
    119,918.12/165,508.67 = 71,523.15/x
  3. Step 3: Cross multiply
    119,918.12x = 165,508.67 × 71,523.15
  4. Step 4: Simplify right side
    119,918.12x = 11,837,702,230.18
  5. Step 5: Solve for x
    x = 11,837,702,230.18/119,918.12
  6. Step 6: Final answer
    x = 98,714.87

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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.