Home / 119,723.10-165,219.03-66,010.20

Finding the Fourth Proportional to 119,723.10, 165,219.03 and 66,010.20

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Solution

The fourth proportional to 119,723.10, 165,219.03 and 66,010.20 is: 91,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,723.10 : 165,219.03 = 66,010.20 : x
  2. Step 2: Convert to fraction form
    119,723.10/165,219.03 = 66,010.20/x
  3. Step 3: Cross multiply
    119,723.10x = 165,219.03 × 66,010.20
  4. Step 4: Simplify right side
    119,723.10x = 10,906,141,214.11
  5. Step 5: Solve for x
    x = 10,906,141,214.11/119,723.10
  6. Step 6: Final answer
    x = 91,094.71

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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.