Home / 252,437.92-348,340.09-139,253.38

Finding the Fourth Proportional to 252,437.92, 348,340.09 and 139,253.38

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Solution

The fourth proportional to 252,437.92, 348,340.09 and 139,253.38 is: 192,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,437.92 : 348,340.09 = 139,253.38 : x
  2. Step 2: Convert to fraction form
    252,437.92/348,340.09 = 139,253.38/x
  3. Step 3: Cross multiply
    252,437.92x = 348,340.09 × 139,253.38
  4. Step 4: Simplify right side
    252,437.92x = 48,507,534,922.00
  5. Step 5: Solve for x
    x = 48,507,534,922.00/252,437.92
  6. Step 6: Final answer
    x = 192,156.29

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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.