Home / 139,194.28-192,088.63-75,532.07

Finding the Fourth Proportional to 139,194.28, 192,088.63 and 75,532.07

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Solution

The fourth proportional to 139,194.28, 192,088.63 and 75,532.07 is: 104,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,194.28 : 192,088.63 = 75,532.07 : x
  2. Step 2: Convert to fraction form
    139,194.28/192,088.63 = 75,532.07/x
  3. Step 3: Cross multiply
    139,194.28x = 192,088.63 × 75,532.07
  4. Step 4: Simplify right side
    139,194.28x = 14,508,851,847.36
  5. Step 5: Solve for x
    x = 14,508,851,847.36/139,194.28
  6. Step 6: Final answer
    x = 104,234.54

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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.