Home / 217,139.90-325,228.64-166,849.82

Finding the Fourth Proportional to 217,139.90, 325,228.64 and 166,849.82

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Solution

The fourth proportional to 217,139.90, 325,228.64 and 166,849.82 is: 249,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,139.90 : 325,228.64 = 166,849.82 : x
  2. Step 2: Convert to fraction form
    217,139.90/325,228.64 = 166,849.82/x
  3. Step 3: Cross multiply
    217,139.90x = 325,228.64 × 166,849.82
  4. Step 4: Simplify right side
    217,139.90x = 54,264,338,833.83
  5. Step 5: Solve for x
    x = 54,264,338,833.83/217,139.90
  6. Step 6: Final answer
    x = 249,904.97

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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.