Home / 139,724.28-192,769.50-93,795.24

Finding the Fourth Proportional to 139,724.28, 192,769.50 and 93,795.24

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Solution

The fourth proportional to 139,724.28, 192,769.50 and 93,795.24 is: 129,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,724.28 : 192,769.50 = 93,795.24 : x
  2. Step 2: Convert to fraction form
    139,724.28/192,769.50 = 93,795.24/x
  3. Step 3: Cross multiply
    139,724.28x = 192,769.50 × 93,795.24
  4. Step 4: Simplify right side
    139,724.28x = 18,080,861,517.18
  5. Step 5: Solve for x
    x = 18,080,861,517.18/139,724.28
  6. Step 6: Final answer
    x = 129,403.86

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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.