Home / 166,151.76-229,293.36-90,700.80

Finding the Fourth Proportional to 166,151.76, 229,293.36 and 90,700.80

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Solution

The fourth proportional to 166,151.76, 229,293.36 and 90,700.80 is: 125,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,151.76 : 229,293.36 = 90,700.80 : x
  2. Step 2: Convert to fraction form
    166,151.76/229,293.36 = 90,700.80/x
  3. Step 3: Cross multiply
    166,151.76x = 229,293.36 × 90,700.80
  4. Step 4: Simplify right side
    166,151.76x = 20,797,091,186.69
  5. Step 5: Solve for x
    x = 20,797,091,186.69/166,151.76
  6. Step 6: Final answer
    x = 125,169.25

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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.