Home / 217,445.04-326,163.24-123,750

Finding the Fourth Proportional to 217,445.04, 326,163.24 and 123,750

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Solution

The fourth proportional to 217,445.04, 326,163.24 and 123,750 is: 185,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,445.04 : 326,163.24 = 123,750 : x
  2. Step 2: Convert to fraction form
    217,445.04/326,163.24 = 123,750/x
  3. Step 3: Cross multiply
    217,445.04x = 326,163.24 × 123,750
  4. Step 4: Simplify right side
    217,445.04x = 40,362,700,950
  5. Step 5: Solve for x
    x = 40,362,700,950/217,445.04
  6. Step 6: Final answer
    x = 185,622.54

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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.