Home / 166,269.40-229,449.18-90,816.28

Finding the Fourth Proportional to 166,269.40, 229,449.18 and 90,816.28

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Solution

The fourth proportional to 166,269.40, 229,449.18 and 90,816.28 is: 125,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,269.40 : 229,449.18 = 90,816.28 : x
  2. Step 2: Convert to fraction form
    166,269.40/229,449.18 = 90,816.28/x
  3. Step 3: Cross multiply
    166,269.40x = 229,449.18 × 90,816.28
  4. Step 4: Simplify right side
    166,269.40x = 20,837,720,976.65
  5. Step 5: Solve for x
    x = 20,837,720,976.65/166,269.40
  6. Step 6: Final answer
    x = 125,325.05

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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.