Home / 141,679.53-212,519.09-97,171.35

Finding the Fourth Proportional to 141,679.53, 212,519.09 and 97,171.35

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Solution

The fourth proportional to 141,679.53, 212,519.09 and 97,171.35 is: 145,756.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,679.53 : 212,519.09 = 97,171.35 : x
  2. Step 2: Convert to fraction form
    141,679.53/212,519.09 = 97,171.35/x
  3. Step 3: Cross multiply
    141,679.53x = 212,519.09 × 97,171.35
  4. Step 4: Simplify right side
    141,679.53x = 20,650,766,390.21
  5. Step 5: Solve for x
    x = 20,650,766,390.21/141,679.53
  6. Step 6: Final answer
    x = 145,756.88

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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.