Home / 252,298.92-348,165.06-139,121.64

Finding the Fourth Proportional to 252,298.92, 348,165.06 and 139,121.64

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Solution

The fourth proportional to 252,298.92, 348,165.06 and 139,121.64 is: 191,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,298.92 : 348,165.06 = 139,121.64 : x
  2. Step 2: Convert to fraction form
    252,298.92/348,165.06 = 139,121.64/x
  3. Step 3: Cross multiply
    252,298.92x = 348,165.06 × 139,121.64
  4. Step 4: Simplify right side
    252,298.92x = 48,437,294,137.90
  5. Step 5: Solve for x
    x = 48,437,294,137.90/252,298.92
  6. Step 6: Final answer
    x = 191,983.76

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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.