Home / 166,631.50-229,951.47-91,180

Finding the Fourth Proportional to 166,631.50, 229,951.47 and 91,180

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Solution

The fourth proportional to 166,631.50, 229,951.47 and 91,180 is: 125,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631.50 : 229,951.47 = 91,180 : x
  2. Step 2: Convert to fraction form
    166,631.50/229,951.47 = 91,180/x
  3. Step 3: Cross multiply
    166,631.50x = 229,951.47 × 91,180
  4. Step 4: Simplify right side
    166,631.50x = 20,966,975,034.60
  5. Step 5: Solve for x
    x = 20,966,975,034.60/166,631.50
  6. Step 6: Final answer
    x = 125,828.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.