Home / 164,316.78-226,704.15-129,751.79

Finding the Fourth Proportional to 164,316.78, 226,704.15 and 129,751.79

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Solution

The fourth proportional to 164,316.78, 226,704.15 and 129,751.79 is: 179,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,316.78 : 226,704.15 = 129,751.79 : x
  2. Step 2: Convert to fraction form
    164,316.78/226,704.15 = 129,751.79/x
  3. Step 3: Cross multiply
    164,316.78x = 226,704.15 × 129,751.79
  4. Step 4: Simplify right side
    164,316.78x = 29,415,268,129.41
  5. Step 5: Solve for x
    x = 29,415,268,129.41/164,316.78
  6. Step 6: Final answer
    x = 179,015.61

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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.