Home / 281,944.77-422,995.25-130,188.23

Finding the Fourth Proportional to 281,944.77, 422,995.25 and 130,188.23

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Solution

The fourth proportional to 281,944.77, 422,995.25 and 130,188.23 is: 195,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,944.77 : 422,995.25 = 130,188.23 : x
  2. Step 2: Convert to fraction form
    281,944.77/422,995.25 = 130,188.23/x
  3. Step 3: Cross multiply
    281,944.77x = 422,995.25 × 130,188.23
  4. Step 4: Simplify right side
    281,944.77x = 55,069,002,895.91
  5. Step 5: Solve for x
    x = 55,069,002,895.91/281,944.77
  6. Step 6: Final answer
    x = 195,318.41

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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.