Home / 216,929.85-325,342.31-83,725.17

Finding the Fourth Proportional to 216,929.85, 325,342.31 and 83,725.17

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Solution

The fourth proportional to 216,929.85, 325,342.31 and 83,725.17 is: 125,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,929.85 : 325,342.31 = 83,725.17 : x
  2. Step 2: Convert to fraction form
    216,929.85/325,342.31 = 83,725.17/x
  3. Step 3: Cross multiply
    216,929.85x = 325,342.31 × 83,725.17
  4. Step 4: Simplify right side
    216,929.85x = 27,239,339,794.32
  5. Step 5: Solve for x
    x = 27,239,339,794.32/216,929.85
  6. Step 6: Final answer
    x = 125,567.50

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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.