Home / 281,650.23-422,476.16-81,975.51

Finding the Fourth Proportional to 281,650.23, 422,476.16 and 81,975.51

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Solution

The fourth proportional to 281,650.23, 422,476.16 and 81,975.51 is: 122,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,650.23 : 422,476.16 = 81,975.51 : x
  2. Step 2: Convert to fraction form
    281,650.23/422,476.16 = 81,975.51/x
  3. Step 3: Cross multiply
    281,650.23x = 422,476.16 × 81,975.51
  4. Step 4: Simplify right side
    281,650.23x = 34,632,698,268.96
  5. Step 5: Solve for x
    x = 34,632,698,268.96/281,650.23
  6. Step 6: Final answer
    x = 122,963.50

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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.