Home / 164,388.13-226,855.70-90,800.71

Finding the Fourth Proportional to 164,388.13, 226,855.70 and 90,800.71

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Solution

The fourth proportional to 164,388.13, 226,855.70 and 90,800.71 is: 125,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,388.13 : 226,855.70 = 90,800.71 : x
  2. Step 2: Convert to fraction form
    164,388.13/226,855.70 = 90,800.71/x
  3. Step 3: Cross multiply
    164,388.13x = 226,855.70 × 90,800.71
  4. Step 4: Simplify right side
    164,388.13x = 20,598,658,173.54
  5. Step 5: Solve for x
    x = 20,598,658,173.54/164,388.13
  6. Step 6: Final answer
    x = 125,305.02

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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.