Home / 252,412.90-348,324.23-139,235.65

Finding the Fourth Proportional to 252,412.90, 348,324.23 and 139,235.65

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Solution

The fourth proportional to 252,412.90, 348,324.23 and 139,235.65 is: 192,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,412.90 : 348,324.23 = 139,235.65 : x
  2. Step 2: Convert to fraction form
    252,412.90/348,324.23 = 139,235.65/x
  3. Step 3: Cross multiply
    252,412.90x = 348,324.23 × 139,235.65
  4. Step 4: Simplify right side
    252,412.90x = 48,499,150,052.08
  5. Step 5: Solve for x
    x = 48,499,150,052.08/252,412.90
  6. Step 6: Final answer
    x = 192,142.12

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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.