Home / 119,728.20-165,226.19-66,015.13

Finding the Fourth Proportional to 119,728.20, 165,226.19 and 66,015.13

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Solution

The fourth proportional to 119,728.20, 165,226.19 and 66,015.13 is: 91,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,728.20 : 165,226.19 = 66,015.13 : x
  2. Step 2: Convert to fraction form
    119,728.20/165,226.19 = 66,015.13/x
  3. Step 3: Cross multiply
    119,728.20x = 165,226.19 × 66,015.13
  4. Step 4: Simplify right side
    119,728.20x = 10,907,428,412.25
  5. Step 5: Solve for x
    x = 10,907,428,412.25/119,728.20
  6. Step 6: Final answer
    x = 91,101.58

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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.