Home / 166,230.36-229,398.30-90,778.86

Finding the Fourth Proportional to 166,230.36, 229,398.30 and 90,778.86

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Solution

The fourth proportional to 166,230.36, 229,398.30 and 90,778.86 is: 125,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,230.36 : 229,398.30 = 90,778.86 : x
  2. Step 2: Convert to fraction form
    166,230.36/229,398.30 = 90,778.86/x
  3. Step 3: Cross multiply
    166,230.36x = 229,398.30 × 90,778.86
  4. Step 4: Simplify right side
    166,230.36x = 20,824,516,159.94
  5. Step 5: Solve for x
    x = 20,824,516,159.94/166,230.36
  6. Step 6: Final answer
    x = 125,275.05

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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.