Home / 211,285.25-316,860.96-69,097.67

Finding the Fourth Proportional to 211,285.25, 316,860.96 and 69,097.67

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Solution

The fourth proportional to 211,285.25, 316,860.96 and 69,097.67 is: 103,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,285.25 : 316,860.96 = 69,097.67 : x
  2. Step 2: Convert to fraction form
    211,285.25/316,860.96 = 69,097.67/x
  3. Step 3: Cross multiply
    211,285.25x = 316,860.96 × 69,097.67
  4. Step 4: Simplify right side
    211,285.25x = 21,894,354,049.96
  5. Step 5: Solve for x
    x = 21,894,354,049.96/211,285.25
  6. Step 6: Final answer
    x = 103,624.62

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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.