Home / 141,711.58-212,563.82-57,449.21

Finding the Fourth Proportional to 141,711.58, 212,563.82 and 57,449.21

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Solution

The fourth proportional to 141,711.58, 212,563.82 and 57,449.21 is: 86,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,711.58 : 212,563.82 = 57,449.21 : x
  2. Step 2: Convert to fraction form
    141,711.58/212,563.82 = 57,449.21/x
  3. Step 3: Cross multiply
    141,711.58x = 212,563.82 × 57,449.21
  4. Step 4: Simplify right side
    141,711.58x = 12,211,624,208.61
  5. Step 5: Solve for x
    x = 12,211,624,208.61/141,711.58
  6. Step 6: Final answer
    x = 86,172.38

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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.