Home / 87,466.58-131,167.67-31,291.46

Finding the Fourth Proportional to 87,466.58, 131,167.67 and 31,291.46

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Solution

The fourth proportional to 87,466.58, 131,167.67 and 31,291.46 is: 46,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466.58 : 131,167.67 = 31,291.46 : x
  2. Step 2: Convert to fraction form
    87,466.58/131,167.67 = 31,291.46/x
  3. Step 3: Cross multiply
    87,466.58x = 131,167.67 × 31,291.46
  4. Step 4: Simplify right side
    87,466.58x = 4,104,427,086.80
  5. Step 5: Solve for x
    x = 4,104,427,086.80/87,466.58
  6. Step 6: Final answer
    x = 46,925.66

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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.