Home / 143,934.53-215,795.16-68,983.34

Finding the Fourth Proportional to 143,934.53, 215,795.16 and 68,983.34

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Solution

The fourth proportional to 143,934.53, 215,795.16 and 68,983.34 is: 103,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,934.53 : 215,795.16 = 68,983.34 : x
  2. Step 2: Convert to fraction form
    143,934.53/215,795.16 = 68,983.34/x
  3. Step 3: Cross multiply
    143,934.53x = 215,795.16 × 68,983.34
  4. Step 4: Simplify right side
    143,934.53x = 14,886,269,813.66
  5. Step 5: Solve for x
    x = 14,886,269,813.66/143,934.53
  6. Step 6: Final answer
    x = 103,423.90

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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.