Home / 166,659.40-229,988.10-91,207

Finding the Fourth Proportional to 166,659.40, 229,988.10 and 91,207

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Solution

The fourth proportional to 166,659.40, 229,988.10 and 91,207 is: 125,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,659.40 : 229,988.10 = 91,207 : x
  2. Step 2: Convert to fraction form
    166,659.40/229,988.10 = 91,207/x
  3. Step 3: Cross multiply
    166,659.40x = 229,988.10 × 91,207
  4. Step 4: Simplify right side
    166,659.40x = 20,976,524,636.70
  5. Step 5: Solve for x
    x = 20,976,524,636.70/166,659.40
  6. Step 6: Final answer
    x = 125,864.64

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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.