Home / 276,142.49-381,068.92-167,311.26

Finding the Fourth Proportional to 276,142.49, 381,068.92 and 167,311.26

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Solution

The fourth proportional to 276,142.49, 381,068.92 and 167,311.26 is: 230,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,142.49 : 381,068.92 = 167,311.26 : x
  2. Step 2: Convert to fraction form
    276,142.49/381,068.92 = 167,311.26/x
  3. Step 3: Cross multiply
    276,142.49x = 381,068.92 × 167,311.26
  4. Step 4: Simplify right side
    276,142.49x = 63,757,121,325.18
  5. Step 5: Solve for x
    x = 63,757,121,325.18/276,142.49
  6. Step 6: Final answer
    x = 230,884.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.