Home / 171,120.42-256,628.31-60,286.50

Finding the Fourth Proportional to 171,120.42, 256,628.31 and 60,286.50

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Solution

The fourth proportional to 171,120.42, 256,628.31 and 60,286.50 is: 90,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120.42 : 256,628.31 = 60,286.50 : x
  2. Step 2: Convert to fraction form
    171,120.42/256,628.31 = 60,286.50/x
  3. Step 3: Cross multiply
    171,120.42x = 256,628.31 × 60,286.50
  4. Step 4: Simplify right side
    171,120.42x = 15,471,222,610.82
  5. Step 5: Solve for x
    x = 15,471,222,610.82/171,120.42
  6. Step 6: Final answer
    x = 90,411.32

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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.