Home / 281,747.23-422,670.05-123,971.58

Finding the Fourth Proportional to 281,747.23, 422,670.05 and 123,971.58

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Solution

The fourth proportional to 281,747.23, 422,670.05 and 123,971.58 is: 185,979.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,747.23 : 422,670.05 = 123,971.58 : x
  2. Step 2: Convert to fraction form
    281,747.23/422,670.05 = 123,971.58/x
  3. Step 3: Cross multiply
    281,747.23x = 422,670.05 × 123,971.58
  4. Step 4: Simplify right side
    281,747.23x = 52,399,073,762.21
  5. Step 5: Solve for x
    x = 52,399,073,762.21/281,747.23
  6. Step 6: Final answer
    x = 185,979.02

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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.