Home / 226,057.41-339,069.72-91,130.46

Finding the Fourth Proportional to 226,057.41, 339,069.72 and 91,130.46

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Solution

The fourth proportional to 226,057.41, 339,069.72 and 91,130.46 is: 136,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,057.41 : 339,069.72 = 91,130.46 : x
  2. Step 2: Convert to fraction form
    226,057.41/339,069.72 = 91,130.46/x
  3. Step 3: Cross multiply
    226,057.41x = 339,069.72 × 91,130.46
  4. Step 4: Simplify right side
    226,057.41x = 30,899,579,555.67
  5. Step 5: Solve for x
    x = 30,899,579,555.67/226,057.41
  6. Step 6: Final answer
    x = 136,689.08

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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.