Home / 139,287.02-192,217.48-75,625.34

Finding the Fourth Proportional to 139,287.02, 192,217.48 and 75,625.34

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Solution

The fourth proportional to 139,287.02, 192,217.48 and 75,625.34 is: 104,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,287.02 : 192,217.48 = 75,625.34 : x
  2. Step 2: Convert to fraction form
    139,287.02/192,217.48 = 75,625.34/x
  3. Step 3: Cross multiply
    139,287.02x = 192,217.48 × 75,625.34
  4. Step 4: Simplify right side
    139,287.02x = 14,536,512,278.94
  5. Step 5: Solve for x
    x = 14,536,512,278.94/139,287.02
  6. Step 6: Final answer
    x = 104,363.73

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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.