Home / 143,319.85-214,979.78-117,950.65

Finding the Fourth Proportional to 143,319.85, 214,979.78 and 117,950.65

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Solution

The fourth proportional to 143,319.85, 214,979.78 and 117,950.65 is: 176,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,319.85 : 214,979.78 = 117,950.65 : x
  2. Step 2: Convert to fraction form
    143,319.85/214,979.78 = 117,950.65/x
  3. Step 3: Cross multiply
    143,319.85x = 214,979.78 × 117,950.65
  4. Step 4: Simplify right side
    143,319.85x = 25,357,004,198.10
  5. Step 5: Solve for x
    x = 25,357,004,198.10/143,319.85
  6. Step 6: Final answer
    x = 176,925.98

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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.