Home / 141,264.40-211,896.60-131,422.90

Finding the Fourth Proportional to 141,264.40, 211,896.60 and 131,422.90

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Solution

The fourth proportional to 141,264.40, 211,896.60 and 131,422.90 is: 197,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,264.40 : 211,896.60 = 131,422.90 : x
  2. Step 2: Convert to fraction form
    141,264.40/211,896.60 = 131,422.90/x
  3. Step 3: Cross multiply
    141,264.40x = 211,896.60 × 131,422.90
  4. Step 4: Simplify right side
    141,264.40x = 27,848,065,672.14
  5. Step 5: Solve for x
    x = 27,848,065,672.14/141,264.40
  6. Step 6: Final answer
    x = 197,134.35

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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.