Home / 171,631.32-256,049.31-143,724.12

Finding the Fourth Proportional to 171,631.32, 256,049.31 and 143,724.12

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Solution

The fourth proportional to 171,631.32, 256,049.31 and 143,724.12 is: 214,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,631.32 : 256,049.31 = 143,724.12 : x
  2. Step 2: Convert to fraction form
    171,631.32/256,049.31 = 143,724.12/x
  3. Step 3: Cross multiply
    171,631.32x = 256,049.31 × 143,724.12
  4. Step 4: Simplify right side
    171,631.32x = 36,800,461,756.36
  5. Step 5: Solve for x
    x = 36,800,461,756.36/171,631.32
  6. Step 6: Final answer
    x = 214,415.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.