Home / 281,741.79-422,661.90-123,966.15

Finding the Fourth Proportional to 281,741.79, 422,661.90 and 123,966.15

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Solution

The fourth proportional to 281,741.79, 422,661.90 and 123,966.15 is: 185,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,741.79 : 422,661.90 = 123,966.15 : x
  2. Step 2: Convert to fraction form
    281,741.79/422,661.90 = 123,966.15/x
  3. Step 3: Cross multiply
    281,741.79x = 422,661.90 × 123,966.15
  4. Step 4: Simplify right side
    281,741.79x = 52,395,768,494.69
  5. Step 5: Solve for x
    x = 52,395,768,494.69/281,741.79
  6. Step 6: Final answer
    x = 185,970.88

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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.