Home / 164,076.48-226,546.88-100,501.12

Finding the Fourth Proportional to 164,076.48, 226,546.88 and 100,501.12

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Solution

The fourth proportional to 164,076.48, 226,546.88 and 100,501.12 is: 138,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,076.48 : 226,546.88 = 100,501.12 : x
  2. Step 2: Convert to fraction form
    164,076.48/226,546.88 = 100,501.12/x
  3. Step 3: Cross multiply
    164,076.48x = 226,546.88 × 100,501.12
  4. Step 4: Simplify right side
    164,076.48x = 22,768,215,172.51
  5. Step 5: Solve for x
    x = 22,768,215,172.51/164,076.48
  6. Step 6: Final answer
    x = 138,765.87

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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.