Home / 234,131.55-351,161.69-76,359.75

Finding the Fourth Proportional to 234,131.55, 351,161.69 and 76,359.75

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Solution

The fourth proportional to 234,131.55, 351,161.69 and 76,359.75 is: 114,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,131.55 : 351,161.69 = 76,359.75 : x
  2. Step 2: Convert to fraction form
    234,131.55/351,161.69 = 76,359.75/x
  3. Step 3: Cross multiply
    234,131.55x = 351,161.69 × 76,359.75
  4. Step 4: Simplify right side
    234,131.55x = 26,814,618,476.18
  5. Step 5: Solve for x
    x = 26,814,618,476.18/234,131.55
  6. Step 6: Final answer
    x = 114,528.00

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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.