Home / 166,037.40-229,134.24-90,585.90

Finding the Fourth Proportional to 166,037.40, 229,134.24 and 90,585.90

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Solution

The fourth proportional to 166,037.40, 229,134.24 and 90,585.90 is: 125,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,037.40 : 229,134.24 = 90,585.90 : x
  2. Step 2: Convert to fraction form
    166,037.40/229,134.24 = 90,585.90/x
  3. Step 3: Cross multiply
    166,037.40x = 229,134.24 × 90,585.90
  4. Step 4: Simplify right side
    166,037.40x = 20,756,331,351.22
  5. Step 5: Solve for x
    x = 20,756,331,351.22/166,037.40
  6. Step 6: Final answer
    x = 125,009.98

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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.