Home / 95,167.21-131,329-56,431.11

Finding the Fourth Proportional to 95,167.21, 131,329 and 56,431.11

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Solution

The fourth proportional to 95,167.21, 131,329 and 56,431.11 is: 77,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,167.21 : 131,329 = 56,431.11 : x
  2. Step 2: Convert to fraction form
    95,167.21/131,329 = 56,431.11/x
  3. Step 3: Cross multiply
    95,167.21x = 131,329 × 56,431.11
  4. Step 4: Simplify right side
    95,167.21x = 7,411,041,245.19
  5. Step 5: Solve for x
    x = 7,411,041,245.19/95,167.21
  6. Step 6: Final answer
    x = 77,873.89

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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.