Home / 141,811.10-212,716.65-122,111.90

Finding the Fourth Proportional to 141,811.10, 212,716.65 and 122,111.90

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Solution

The fourth proportional to 141,811.10, 212,716.65 and 122,111.90 is: 183,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.10 : 212,716.65 = 122,111.90 : x
  2. Step 2: Convert to fraction form
    141,811.10/212,716.65 = 122,111.90/x
  3. Step 3: Cross multiply
    141,811.10x = 212,716.65 × 122,111.90
  4. Step 4: Simplify right side
    141,811.10x = 25,975,234,293.14
  5. Step 5: Solve for x
    x = 25,975,234,293.14/141,811.10
  6. Step 6: Final answer
    x = 183,167.85

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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.