Home / 166,430.63-229,674.27-90,979.13

Finding the Fourth Proportional to 166,430.63, 229,674.27 and 90,979.13

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Solution

The fourth proportional to 166,430.63, 229,674.27 and 90,979.13 is: 125,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,430.63 : 229,674.27 = 90,979.13 : x
  2. Step 2: Convert to fraction form
    166,430.63/229,674.27 = 90,979.13/x
  3. Step 3: Cross multiply
    166,430.63x = 229,674.27 × 90,979.13
  4. Step 4: Simplify right side
    166,430.63x = 20,895,564,119.61
  5. Step 5: Solve for x
    x = 20,895,564,119.61/166,430.63
  6. Step 6: Final answer
    x = 125,551.20

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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.