Home / 166,388.77-249,519.37-130,919.88

Finding the Fourth Proportional to 166,388.77, 249,519.37 and 130,919.88

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Solution

The fourth proportional to 166,388.77, 249,519.37 and 130,919.88 is: 196,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,388.77 : 249,519.37 = 130,919.88 : x
  2. Step 2: Convert to fraction form
    166,388.77/249,519.37 = 130,919.88/x
  3. Step 3: Cross multiply
    166,388.77x = 249,519.37 × 130,919.88
  4. Step 4: Simplify right side
    166,388.77x = 32,667,045,978.08
  5. Step 5: Solve for x
    x = 32,667,045,978.08/166,388.77
  6. Step 6: Final answer
    x = 196,329.63

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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.