Home / 187,850.91-281,308.89-131,427.02

Finding the Fourth Proportional to 187,850.91, 281,308.89 and 131,427.02

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Solution

The fourth proportional to 187,850.91, 281,308.89 and 131,427.02 is: 196,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,850.91 : 281,308.89 = 131,427.02 : x
  2. Step 2: Convert to fraction form
    187,850.91/281,308.89 = 131,427.02/x
  3. Step 3: Cross multiply
    187,850.91x = 281,308.89 × 131,427.02
  4. Step 4: Simplify right side
    187,850.91x = 36,971,587,705.66
  5. Step 5: Solve for x
    x = 36,971,587,705.66/187,850.91
  6. Step 6: Final answer
    x = 196,813.46

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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.