Home / 226,308.08-339,505.80-86,055.74

Finding the Fourth Proportional to 226,308.08, 339,505.80 and 86,055.74

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Solution

The fourth proportional to 226,308.08, 339,505.80 and 86,055.74 is: 129,100.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,308.08 : 339,505.80 = 86,055.74 : x
  2. Step 2: Convert to fraction form
    226,308.08/339,505.80 = 86,055.74/x
  3. Step 3: Cross multiply
    226,308.08x = 339,505.80 × 86,055.74
  4. Step 4: Simplify right side
    226,308.08x = 29,216,422,853.29
  5. Step 5: Solve for x
    x = 29,216,422,853.29/226,308.08
  6. Step 6: Final answer
    x = 129,100.22

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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.