Home / 166,232.36-229,397.46-90,781.40

Finding the Fourth Proportional to 166,232.36, 229,397.46 and 90,781.40

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Solution

The fourth proportional to 166,232.36, 229,397.46 and 90,781.40 is: 125,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,232.36 : 229,397.46 = 90,781.40 : x
  2. Step 2: Convert to fraction form
    166,232.36/229,397.46 = 90,781.40/x
  3. Step 3: Cross multiply
    166,232.36x = 229,397.46 × 90,781.40
  4. Step 4: Simplify right side
    166,232.36x = 20,825,022,575.24
  5. Step 5: Solve for x
    x = 20,825,022,575.24/166,232.36
  6. Step 6: Final answer
    x = 125,276.59

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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.