Home / 139,270.24-192,193.86-75,608.38

Finding the Fourth Proportional to 139,270.24, 192,193.86 and 75,608.38

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Solution

The fourth proportional to 139,270.24, 192,193.86 and 75,608.38 is: 104,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,270.24 : 192,193.86 = 75,608.38 : x
  2. Step 2: Convert to fraction form
    139,270.24/192,193.86 = 75,608.38/x
  3. Step 3: Cross multiply
    139,270.24x = 192,193.86 × 75,608.38
  4. Step 4: Simplify right side
    139,270.24x = 14,531,466,400.55
  5. Step 5: Solve for x
    x = 14,531,466,400.55/139,270.24
  6. Step 6: Final answer
    x = 104,340.07

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1.5x scale

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.