Home / 179,145.05-268,782.17-90,331.65

Finding the Fourth Proportional to 179,145.05, 268,782.17 and 90,331.65

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Solution

The fourth proportional to 179,145.05, 268,782.17 and 90,331.65 is: 135,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,145.05 : 268,782.17 = 90,331.65 : x
  2. Step 2: Convert to fraction form
    179,145.05/268,782.17 = 90,331.65/x
  3. Step 3: Cross multiply
    179,145.05x = 268,782.17 × 90,331.65
  4. Step 4: Simplify right side
    179,145.05x = 24,279,536,455.02
  5. Step 5: Solve for x
    x = 24,279,536,455.02/179,145.05
  6. Step 6: Final answer
    x = 135,530.05

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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.