Home / 164,020.86-226,365.51-100,400.70

Finding the Fourth Proportional to 164,020.86, 226,365.51 and 100,400.70

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Solution

The fourth proportional to 164,020.86, 226,365.51 and 100,400.70 is: 138,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,020.86 : 226,365.51 = 100,400.70 : x
  2. Step 2: Convert to fraction form
    164,020.86/226,365.51 = 100,400.70/x
  3. Step 3: Cross multiply
    164,020.86x = 226,365.51 × 100,400.70
  4. Step 4: Simplify right side
    164,020.86x = 22,727,255,659.86
  5. Step 5: Solve for x
    x = 22,727,255,659.86/164,020.86
  6. Step 6: Final answer
    x = 138,563.20

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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.