Home / 141,419.75-212,188.37-57,239.42

Finding the Fourth Proportional to 141,419.75, 212,188.37 and 57,239.42

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Solution

The fourth proportional to 141,419.75, 212,188.37 and 57,239.42 is: 85,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.75 : 212,188.37 = 57,239.42 : x
  2. Step 2: Convert to fraction form
    141,419.75/212,188.37 = 57,239.42/x
  3. Step 3: Cross multiply
    141,419.75x = 212,188.37 × 57,239.42
  4. Step 4: Simplify right side
    141,419.75x = 12,145,537,882.41
  5. Step 5: Solve for x
    x = 12,145,537,882.41/141,419.75
  6. Step 6: Final answer
    x = 85,882.90

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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.