Home / 166,272.40-229,453.32-90,819.28

Finding the Fourth Proportional to 166,272.40, 229,453.32 and 90,819.28

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Solution

The fourth proportional to 166,272.40, 229,453.32 and 90,819.28 is: 125,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,272.40 : 229,453.32 = 90,819.28 : x
  2. Step 2: Convert to fraction form
    166,272.40/229,453.32 = 90,819.28/x
  3. Step 3: Cross multiply
    166,272.40x = 229,453.32 × 90,819.28
  4. Step 4: Simplify right side
    166,272.40x = 20,838,785,316.01
  5. Step 5: Solve for x
    x = 20,838,785,316.01/166,272.40
  6. Step 6: Final answer
    x = 125,329.19

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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.