Home / 119,974.37-165,564.10-66,259.11

Finding the Fourth Proportional to 119,974.37, 165,564.10 and 66,259.11

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Solution

The fourth proportional to 119,974.37, 165,564.10 and 66,259.11 is: 91,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,974.37 : 165,564.10 = 66,259.11 : x
  2. Step 2: Convert to fraction form
    119,974.37/165,564.10 = 66,259.11/x
  3. Step 3: Cross multiply
    119,974.37x = 165,564.10 × 66,259.11
  4. Step 4: Simplify right side
    119,974.37x = 10,970,130,617.64
  5. Step 5: Solve for x
    x = 10,970,130,617.64/119,974.37
  6. Step 6: Final answer
    x = 91,437.29

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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.