Home / 166,014.36-249,191.03-121,508.91

Finding the Fourth Proportional to 166,014.36, 249,191.03 and 121,508.91

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Solution

The fourth proportional to 166,014.36, 249,191.03 and 121,508.91 is: 182,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,014.36 : 249,191.03 = 121,508.91 : x
  2. Step 2: Convert to fraction form
    166,014.36/249,191.03 = 121,508.91/x
  3. Step 3: Cross multiply
    166,014.36x = 249,191.03 × 121,508.91
  4. Step 4: Simplify right side
    166,014.36x = 30,278,930,740.85
  5. Step 5: Solve for x
    x = 30,278,930,740.85/166,014.36
  6. Step 6: Final answer
    x = 182,387.42

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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.