Home / 119,964.98-165,543.34-66,249.53

Finding the Fourth Proportional to 119,964.98, 165,543.34 and 66,249.53

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Solution

The fourth proportional to 119,964.98, 165,543.34 and 66,249.53 is: 91,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,964.98 : 165,543.34 = 66,249.53 : x
  2. Step 2: Convert to fraction form
    119,964.98/165,543.34 = 66,249.53/x
  3. Step 3: Cross multiply
    119,964.98x = 165,543.34 × 66,249.53
  4. Step 4: Simplify right side
    119,964.98x = 10,967,167,310.67
  5. Step 5: Solve for x
    x = 10,967,167,310.67/119,964.98
  6. Step 6: Final answer
    x = 91,419.74

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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.