Home / 179,688.32-269,629.92-74,579.36

Finding the Fourth Proportional to 179,688.32, 269,629.92 and 74,579.36

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Solution

The fourth proportional to 179,688.32, 269,629.92 and 74,579.36 is: 111,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.32 : 269,629.92 = 74,579.36 : x
  2. Step 2: Convert to fraction form
    179,688.32/269,629.92 = 74,579.36/x
  3. Step 3: Cross multiply
    179,688.32x = 269,629.92 × 74,579.36
  4. Step 4: Simplify right side
    179,688.32x = 20,108,826,870.45
  5. Step 5: Solve for x
    x = 20,108,826,870.45/179,688.32
  6. Step 6: Final answer
    x = 111,909.48

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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.