Home / 119,883.46-165,427.38-66,165.01

Finding the Fourth Proportional to 119,883.46, 165,427.38 and 66,165.01

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Solution

The fourth proportional to 119,883.46, 165,427.38 and 66,165.01 is: 91,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,883.46 : 165,427.38 = 66,165.01 : x
  2. Step 2: Convert to fraction form
    119,883.46/165,427.38 = 66,165.01/x
  3. Step 3: Cross multiply
    119,883.46x = 165,427.38 × 66,165.01
  4. Step 4: Simplify right side
    119,883.46x = 10,945,504,094.29
  5. Step 5: Solve for x
    x = 10,945,504,094.29/119,883.46
  6. Step 6: Final answer
    x = 91,301.21

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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.