Home / 166,478.13-229,740.71-91,026.63

Finding the Fourth Proportional to 166,478.13, 229,740.71 and 91,026.63

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Solution

The fourth proportional to 166,478.13, 229,740.71 and 91,026.63 is: 125,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478.13 : 229,740.71 = 91,026.63 : x
  2. Step 2: Convert to fraction form
    166,478.13/229,740.71 = 91,026.63/x
  3. Step 3: Cross multiply
    166,478.13x = 229,740.71 × 91,026.63
  4. Step 4: Simplify right side
    166,478.13x = 20,912,522,149.97
  5. Step 5: Solve for x
    x = 20,912,522,149.97/166,478.13
  6. Step 6: Final answer
    x = 125,617.23

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1.5x scale

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.