Home / 145,163.31-217,776.08-50,396.50

Finding the Fourth Proportional to 145,163.31, 217,776.08 and 50,396.50

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Solution

The fourth proportional to 145,163.31, 217,776.08 and 50,396.50 is: 75,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163.31 : 217,776.08 = 50,396.50 : x
  2. Step 2: Convert to fraction form
    145,163.31/217,776.08 = 50,396.50/x
  3. Step 3: Cross multiply
    145,163.31x = 217,776.08 × 50,396.50
  4. Step 4: Simplify right side
    145,163.31x = 10,975,152,215.72
  5. Step 5: Solve for x
    x = 10,975,152,215.72/145,163.31
  6. Step 6: Final answer
    x = 75,605.55

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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.