Home / 166,285.50-229,479.03-90,838.86

Finding the Fourth Proportional to 166,285.50, 229,479.03 and 90,838.86

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Solution

The fourth proportional to 166,285.50, 229,479.03 and 90,838.86 is: 125,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,285.50 : 229,479.03 = 90,838.86 : x
  2. Step 2: Convert to fraction form
    166,285.50/229,479.03 = 90,838.86/x
  3. Step 3: Cross multiply
    166,285.50x = 229,479.03 × 90,838.86
  4. Step 4: Simplify right side
    166,285.50x = 20,845,613,479.11
  5. Step 5: Solve for x
    x = 20,845,613,479.11/166,285.50
  6. Step 6: Final answer
    x = 125,360.38

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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.