Home / 179,358.24-269,018.64-79,520.16

Finding the Fourth Proportional to 179,358.24, 269,018.64 and 79,520.16

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Solution

The fourth proportional to 179,358.24, 269,018.64 and 79,520.16 is: 119,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,358.24 : 269,018.64 = 79,520.16 : x
  2. Step 2: Convert to fraction form
    179,358.24/269,018.64 = 79,520.16/x
  3. Step 3: Cross multiply
    179,358.24x = 269,018.64 × 79,520.16
  4. Step 4: Simplify right side
    179,358.24x = 21,392,405,295.78
  5. Step 5: Solve for x
    x = 21,392,405,295.78/179,358.24
  6. Step 6: Final answer
    x = 119,271.94

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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.