Home / 143,161.17-214,646.98-68,292.87

Finding the Fourth Proportional to 143,161.17, 214,646.98 and 68,292.87

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Solution

The fourth proportional to 143,161.17, 214,646.98 and 68,292.87 is: 102,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,161.17 : 214,646.98 = 68,292.87 : x
  2. Step 2: Convert to fraction form
    143,161.17/214,646.98 = 68,292.87/x
  3. Step 3: Cross multiply
    143,161.17x = 214,646.98 × 68,292.87
  4. Step 4: Simplify right side
    143,161.17x = 14,658,858,660.81
  5. Step 5: Solve for x
    x = 14,658,858,660.81/143,161.17
  6. Step 6: Final answer
    x = 102,394.10

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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.