Home / 143,526.99-215,150.83-68,627.71

Finding the Fourth Proportional to 143,526.99, 215,150.83 and 68,627.71

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Solution

The fourth proportional to 143,526.99, 215,150.83 and 68,627.71 is: 102,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.99 : 215,150.83 = 68,627.71 : x
  2. Step 2: Convert to fraction form
    143,526.99/215,150.83 = 68,627.71/x
  3. Step 3: Cross multiply
    143,526.99x = 215,150.83 × 68,627.71
  4. Step 4: Simplify right side
    143,526.99x = 14,765,308,767.50
  5. Step 5: Solve for x
    x = 14,765,308,767.50/143,526.99
  6. Step 6: Final answer
    x = 102,874.79

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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.