Home / 247,085.02-340,958.46-139,665.12

Finding the Fourth Proportional to 247,085.02, 340,958.46 and 139,665.12

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Solution

The fourth proportional to 247,085.02, 340,958.46 and 139,665.12 is: 192,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,085.02 : 340,958.46 = 139,665.12 : x
  2. Step 2: Convert to fraction form
    247,085.02/340,958.46 = 139,665.12/x
  3. Step 3: Cross multiply
    247,085.02x = 340,958.46 × 139,665.12
  4. Step 4: Simplify right side
    247,085.02x = 47,620,004,230.92
  5. Step 5: Solve for x
    x = 47,620,004,230.92/247,085.02
  6. Step 6: Final answer
    x = 192,727.20

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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.