Home / 166,640.59-249,960.89-91,722.17

Finding the Fourth Proportional to 166,640.59, 249,960.89 and 91,722.17

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Solution

The fourth proportional to 166,640.59, 249,960.89 and 91,722.17 is: 137,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,640.59 : 249,960.89 = 91,722.17 : x
  2. Step 2: Convert to fraction form
    166,640.59/249,960.89 = 91,722.17/x
  3. Step 3: Cross multiply
    166,640.59x = 249,960.89 × 91,722.17
  4. Step 4: Simplify right side
    166,640.59x = 22,926,955,584.20
  5. Step 5: Solve for x
    x = 22,926,955,584.20/166,640.59
  6. Step 6: Final answer
    x = 137,583.26

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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.