Home / 252,491.37-348,439.28-139,314.12

Finding the Fourth Proportional to 252,491.37, 348,439.28 and 139,314.12

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Solution

The fourth proportional to 252,491.37, 348,439.28 and 139,314.12 is: 192,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,491.37 : 348,439.28 = 139,314.12 : x
  2. Step 2: Convert to fraction form
    252,491.37/348,439.28 = 139,314.12/x
  3. Step 3: Cross multiply
    252,491.37x = 348,439.28 × 139,314.12
  4. Step 4: Simplify right side
    252,491.37x = 48,542,511,666.63
  5. Step 5: Solve for x
    x = 48,542,511,666.63/252,491.37
  6. Step 6: Final answer
    x = 192,254.14

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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.