Home / 231,163.77-346,773.45-81,372.95

Finding the Fourth Proportional to 231,163.77, 346,773.45 and 81,372.95

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Solution

The fourth proportional to 231,163.77, 346,773.45 and 81,372.95 is: 122,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,163.77 : 346,773.45 = 81,372.95 : x
  2. Step 2: Convert to fraction form
    231,163.77/346,773.45 = 81,372.95/x
  3. Step 3: Cross multiply
    231,163.77x = 346,773.45 × 81,372.95
  4. Step 4: Simplify right side
    231,163.77x = 28,217,980,430.46
  5. Step 5: Solve for x
    x = 28,217,980,430.46/231,163.77
  6. Step 6: Final answer
    x = 122,069.22

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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.