Home / 119,732.31-165,237.96-66,017.16

Finding the Fourth Proportional to 119,732.31, 165,237.96 and 66,017.16

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Solution

The fourth proportional to 119,732.31, 165,237.96 and 66,017.16 is: 91,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,732.31 : 165,237.96 = 66,017.16 : x
  2. Step 2: Convert to fraction form
    119,732.31/165,237.96 = 66,017.16/x
  3. Step 3: Cross multiply
    119,732.31x = 165,237.96 × 66,017.16
  4. Step 4: Simplify right side
    119,732.31x = 10,908,540,843.39
  5. Step 5: Solve for x
    x = 10,908,540,843.39/119,732.31
  6. Step 6: Final answer
    x = 91,107.75

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1.5x scale

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.