Home / 170,278.56-234,776.28-106,505.64

Finding the Fourth Proportional to 170,278.56, 234,776.28 and 106,505.64

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Solution

The fourth proportional to 170,278.56, 234,776.28 and 106,505.64 is: 146,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,278.56 : 234,776.28 = 106,505.64 : x
  2. Step 2: Convert to fraction form
    170,278.56/234,776.28 = 106,505.64/x
  3. Step 3: Cross multiply
    170,278.56x = 234,776.28 × 106,505.64
  4. Step 4: Simplify right side
    170,278.56x = 25,004,997,958.22
  5. Step 5: Solve for x
    x = 25,004,997,958.22/170,278.56
  6. Step 6: Final answer
    x = 146,847.60

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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.