Home / 252,165.04-378,394.96-139,939.52

Finding the Fourth Proportional to 252,165.04, 378,394.96 and 139,939.52

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Solution

The fourth proportional to 252,165.04, 378,394.96 and 139,939.52 is: 209,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,165.04 : 378,394.96 = 139,939.52 : x
  2. Step 2: Convert to fraction form
    252,165.04/378,394.96 = 139,939.52/x
  3. Step 3: Cross multiply
    252,165.04x = 378,394.96 × 139,939.52
  4. Step 4: Simplify right side
    252,165.04x = 52,952,409,072.82
  5. Step 5: Solve for x
    x = 52,952,409,072.82/252,165.04
  6. Step 6: Final answer
    x = 209,991.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.