Home / 170,824.80-256,346.55-99,747.30

Finding the Fourth Proportional to 170,824.80, 256,346.55 and 99,747.30

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Solution

The fourth proportional to 170,824.80, 256,346.55 and 99,747.30 is: 149,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,824.80 : 256,346.55 = 99,747.30 : x
  2. Step 2: Convert to fraction form
    170,824.80/256,346.55 = 99,747.30/x
  3. Step 3: Cross multiply
    170,824.80x = 256,346.55 × 99,747.30
  4. Step 4: Simplify right side
    170,824.80x = 25,569,876,226.82
  5. Step 5: Solve for x
    x = 25,569,876,226.82/170,824.80
  6. Step 6: Final answer
    x = 149,684.80

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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.