Home / 119,945.61-165,525.19-66,230.73

Finding the Fourth Proportional to 119,945.61, 165,525.19 and 66,230.73

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Solution

The fourth proportional to 119,945.61, 165,525.19 and 66,230.73 is: 91,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,945.61 : 165,525.19 = 66,230.73 : x
  2. Step 2: Convert to fraction form
    119,945.61/165,525.19 = 66,230.73/x
  3. Step 3: Cross multiply
    119,945.61x = 165,525.19 × 66,230.73
  4. Step 4: Simplify right side
    119,945.61x = 10,962,854,001.51
  5. Step 5: Solve for x
    x = 10,962,854,001.51/119,945.61
  6. Step 6: Final answer
    x = 91,398.54

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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.