Home / 217,422.28-299,985.72-125,519.08

Finding the Fourth Proportional to 217,422.28, 299,985.72 and 125,519.08

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Solution

The fourth proportional to 217,422.28, 299,985.72 and 125,519.08 is: 173,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,422.28 : 299,985.72 = 125,519.08 : x
  2. Step 2: Convert to fraction form
    217,422.28/299,985.72 = 125,519.08/x
  3. Step 3: Cross multiply
    217,422.28x = 299,985.72 × 125,519.08
  4. Step 4: Simplify right side
    217,422.28x = 37,653,931,587.54
  5. Step 5: Solve for x
    x = 37,653,931,587.54/217,422.28
  6. Step 6: Final answer
    x = 173,183.41

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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.