Home / 170,917.34-256,363.25-66,945.53

Finding the Fourth Proportional to 170,917.34, 256,363.25 and 66,945.53

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Solution

The fourth proportional to 170,917.34, 256,363.25 and 66,945.53 is: 100,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,917.34 : 256,363.25 = 66,945.53 : x
  2. Step 2: Convert to fraction form
    170,917.34/256,363.25 = 66,945.53/x
  3. Step 3: Cross multiply
    170,917.34x = 256,363.25 × 66,945.53
  4. Step 4: Simplify right side
    170,917.34x = 17,162,373,949.95
  5. Step 5: Solve for x
    x = 17,162,373,949.95/170,917.34
  6. Step 6: Final answer
    x = 100,413.30

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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.