Home / 179,628.20-269,442.30-135,013.40

Finding the Fourth Proportional to 179,628.20, 269,442.30 and 135,013.40

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Solution

The fourth proportional to 179,628.20, 269,442.30 and 135,013.40 is: 202,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.20 : 269,442.30 = 135,013.40 : x
  2. Step 2: Convert to fraction form
    179,628.20/269,442.30 = 135,013.40/x
  3. Step 3: Cross multiply
    179,628.20x = 269,442.30 × 135,013.40
  4. Step 4: Simplify right side
    179,628.20x = 36,378,321,026.82
  5. Step 5: Solve for x
    x = 36,378,321,026.82/179,628.20
  6. Step 6: Final answer
    x = 202,520.10

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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.