Home / 253,944.46-350,435.75-139,219.18

Finding the Fourth Proportional to 253,944.46, 350,435.75 and 139,219.18

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Solution

The fourth proportional to 253,944.46, 350,435.75 and 139,219.18 is: 192,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,944.46 : 350,435.75 = 139,219.18 : x
  2. Step 2: Convert to fraction form
    253,944.46/350,435.75 = 139,219.18/x
  3. Step 3: Cross multiply
    253,944.46x = 350,435.75 × 139,219.18
  4. Step 4: Simplify right side
    253,944.46x = 48,787,376,185.50
  5. Step 5: Solve for x
    x = 48,787,376,185.50/253,944.46
  6. Step 6: Final answer
    x = 192,118.29

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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.