Home / 119,815.75-165,345.74-66,823.75

Finding the Fourth Proportional to 119,815.75, 165,345.74 and 66,823.75

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Solution

The fourth proportional to 119,815.75, 165,345.74 and 66,823.75 is: 92,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.75 : 165,345.74 = 66,823.75 : x
  2. Step 2: Convert to fraction form
    119,815.75/165,345.74 = 66,823.75/x
  3. Step 3: Cross multiply
    119,815.75x = 165,345.74 × 66,823.75
  4. Step 4: Simplify right side
    119,815.75x = 11,049,022,393.33
  5. Step 5: Solve for x
    x = 11,049,022,393.33/119,815.75
  6. Step 6: Final answer
    x = 92,216.78

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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.