Home / 165,724.20-248,618.70-65,867.40

Finding the Fourth Proportional to 165,724.20, 248,618.70 and 65,867.40

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Solution

The fourth proportional to 165,724.20, 248,618.70 and 65,867.40 is: 98,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.20 : 248,618.70 = 65,867.40 : x
  2. Step 2: Convert to fraction form
    165,724.20/248,618.70 = 65,867.40/x
  3. Step 3: Cross multiply
    165,724.20x = 248,618.70 × 65,867.40
  4. Step 4: Simplify right side
    165,724.20x = 16,375,867,360.38
  5. Step 5: Solve for x
    x = 16,375,867,360.38/165,724.20
  6. Step 6: Final answer
    x = 98,813.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.