Home / 167,431.96-251,182.54-55,118.91

Finding the Fourth Proportional to 167,431.96, 251,182.54 and 55,118.91

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Solution

The fourth proportional to 167,431.96, 251,182.54 and 55,118.91 is: 82,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,431.96 : 251,182.54 = 55,118.91 : x
  2. Step 2: Convert to fraction form
    167,431.96/251,182.54 = 55,118.91/x
  3. Step 3: Cross multiply
    167,431.96x = 251,182.54 × 55,118.91
  4. Step 4: Simplify right side
    167,431.96x = 13,844,908,826.66
  5. Step 5: Solve for x
    x = 13,844,908,826.66/167,431.96
  6. Step 6: Final answer
    x = 82,689.76

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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.