Home / 252,429.28-348,359.64-139,259.32

Finding the Fourth Proportional to 252,429.28, 348,359.64 and 139,259.32

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Solution

The fourth proportional to 252,429.28, 348,359.64 and 139,259.32 is: 192,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,429.28 : 348,359.64 = 139,259.32 : x
  2. Step 2: Convert to fraction form
    252,429.28/348,359.64 = 139,259.32/x
  3. Step 3: Cross multiply
    252,429.28x = 348,359.64 × 139,259.32
  4. Step 4: Simplify right side
    252,429.28x = 48,512,326,581.84
  5. Step 5: Solve for x
    x = 48,512,326,581.84/252,429.28
  6. Step 6: Final answer
    x = 192,181.85

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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.