Home / 119,729.10-165,226.02-66,014.97

Finding the Fourth Proportional to 119,729.10, 165,226.02 and 66,014.97

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Solution

The fourth proportional to 119,729.10, 165,226.02 and 66,014.97 is: 91,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,729.10 : 165,226.02 = 66,014.97 : x
  2. Step 2: Convert to fraction form
    119,729.10/165,226.02 = 66,014.97/x
  3. Step 3: Cross multiply
    119,729.10x = 165,226.02 × 66,014.97
  4. Step 4: Simplify right side
    119,729.10x = 10,907,389,597.31
  5. Step 5: Solve for x
    x = 10,907,389,597.31/119,729.10
  6. Step 6: Final answer
    x = 91,100.57

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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.