Home / 144,865.20-217,345.14-69,993.96

Finding the Fourth Proportional to 144,865.20, 217,345.14 and 69,993.96

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Solution

The fourth proportional to 144,865.20, 217,345.14 and 69,993.96 is: 105,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865.20 : 217,345.14 = 69,993.96 : x
  2. Step 2: Convert to fraction form
    144,865.20/217,345.14 = 69,993.96/x
  3. Step 3: Cross multiply
    144,865.20x = 217,345.14 × 69,993.96
  4. Step 4: Simplify right side
    144,865.20x = 15,212,847,035.35
  5. Step 5: Solve for x
    x = 15,212,847,035.35/144,865.20
  6. Step 6: Final answer
    x = 105,013.81

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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.