Home / 166,370.82-249,654.51-87,491.13

Finding the Fourth Proportional to 166,370.82, 249,654.51 and 87,491.13

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Solution

The fourth proportional to 166,370.82, 249,654.51 and 87,491.13 is: 131,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,370.82 : 249,654.51 = 87,491.13 : x
  2. Step 2: Convert to fraction form
    166,370.82/249,654.51 = 87,491.13/x
  3. Step 3: Cross multiply
    166,370.82x = 249,654.51 × 87,491.13
  4. Step 4: Simplify right side
    166,370.82x = 21,842,555,189.50
  5. Step 5: Solve for x
    x = 21,842,555,189.50/166,370.82
  6. Step 6: Final answer
    x = 131,288.38

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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.