Home / 166,573.65-229,871.93-91,122.15

Finding the Fourth Proportional to 166,573.65, 229,871.93 and 91,122.15

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Solution

The fourth proportional to 166,573.65, 229,871.93 and 91,122.15 is: 125,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,573.65 : 229,871.93 = 91,122.15 : x
  2. Step 2: Convert to fraction form
    166,573.65/229,871.93 = 91,122.15/x
  3. Step 3: Cross multiply
    166,573.65x = 229,871.93 × 91,122.15
  4. Step 4: Simplify right side
    166,573.65x = 20,946,423,564.70
  5. Step 5: Solve for x
    x = 20,946,423,564.70/166,573.65
  6. Step 6: Final answer
    x = 125,748.73

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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.