Home / 235,176.72-324,493.20-139,715.52

Finding the Fourth Proportional to 235,176.72, 324,493.20 and 139,715.52

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Solution

The fourth proportional to 235,176.72, 324,493.20 and 139,715.52 is: 192,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,176.72 : 324,493.20 = 139,715.52 : x
  2. Step 2: Convert to fraction form
    235,176.72/324,493.20 = 139,715.52/x
  3. Step 3: Cross multiply
    235,176.72x = 324,493.20 × 139,715.52
  4. Step 4: Simplify right side
    235,176.72x = 45,336,736,174.46
  5. Step 5: Solve for x
    x = 45,336,736,174.46/235,176.72
  6. Step 6: Final answer
    x = 192,777.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.