Home / 166,667.10-250,080.23-77,907.71

Finding the Fourth Proportional to 166,667.10, 250,080.23 and 77,907.71

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Solution

The fourth proportional to 166,667.10, 250,080.23 and 77,907.71 is: 116,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,667.10 : 250,080.23 = 77,907.71 : x
  2. Step 2: Convert to fraction form
    166,667.10/250,080.23 = 77,907.71/x
  3. Step 3: Cross multiply
    166,667.10x = 250,080.23 × 77,907.71
  4. Step 4: Simplify right side
    166,667.10x = 19,483,178,035.57
  5. Step 5: Solve for x
    x = 19,483,178,035.57/166,667.10
  6. Step 6: Final answer
    x = 116,898.76

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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.