Home / 252,453.76-348,388.32-139,284.16

Finding the Fourth Proportional to 252,453.76, 348,388.32 and 139,284.16

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Solution

The fourth proportional to 252,453.76, 348,388.32 and 139,284.16 is: 192,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,453.76 : 348,388.32 = 139,284.16 : x
  2. Step 2: Convert to fraction form
    252,453.76/348,388.32 = 139,284.16/x
  3. Step 3: Cross multiply
    252,453.76x = 348,388.32 × 139,284.16
  4. Step 4: Simplify right side
    252,453.76x = 48,524,974,505.01
  5. Step 5: Solve for x
    x = 48,524,974,505.01/252,453.76
  6. Step 6: Final answer
    x = 192,213.32

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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.