Home / 166,585.06-229,889.28-90,105.70

Finding the Fourth Proportional to 166,585.06, 229,889.28 and 90,105.70

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Solution

The fourth proportional to 166,585.06, 229,889.28 and 90,105.70 is: 124,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,585.06 : 229,889.28 = 90,105.70 : x
  2. Step 2: Convert to fraction form
    166,585.06/229,889.28 = 90,105.70/x
  3. Step 3: Cross multiply
    166,585.06x = 229,889.28 × 90,105.70
  4. Step 4: Simplify right side
    166,585.06x = 20,714,334,496.90
  5. Step 5: Solve for x
    x = 20,714,334,496.90/166,585.06
  6. Step 6: Final answer
    x = 124,346.89

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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.