Home / 144,742.38-217,187.70-68,926.74

Finding the Fourth Proportional to 144,742.38, 217,187.70 and 68,926.74

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Solution

The fourth proportional to 144,742.38, 217,187.70 and 68,926.74 is: 103,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,742.38 : 217,187.70 = 68,926.74 : x
  2. Step 2: Convert to fraction form
    144,742.38/217,187.70 = 68,926.74/x
  3. Step 3: Cross multiply
    144,742.38x = 217,187.70 × 68,926.74
  4. Step 4: Simplify right side
    144,742.38x = 14,970,040,129.10
  5. Step 5: Solve for x
    x = 14,970,040,129.10/144,742.38
  6. Step 6: Final answer
    x = 103,425.41

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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.