Home / 119,926.89-165,499.36-66,212.01

Finding the Fourth Proportional to 119,926.89, 165,499.36 and 66,212.01

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Solution

The fourth proportional to 119,926.89, 165,499.36 and 66,212.01 is: 91,372.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,926.89 : 165,499.36 = 66,212.01 : x
  2. Step 2: Convert to fraction form
    119,926.89/165,499.36 = 66,212.01/x
  3. Step 3: Cross multiply
    119,926.89x = 165,499.36 × 66,212.01
  4. Step 4: Simplify right side
    119,926.89x = 10,958,045,279.31
  5. Step 5: Solve for x
    x = 10,958,045,279.31/119,926.89
  6. Step 6: Final answer
    x = 91,372.71

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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.