Home / 165,326.15-248,059.44-90,358.70

Finding the Fourth Proportional to 165,326.15, 248,059.44 and 90,358.70

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Solution

The fourth proportional to 165,326.15, 248,059.44 and 90,358.70 is: 135,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,326.15 : 248,059.44 = 90,358.70 : x
  2. Step 2: Convert to fraction form
    165,326.15/248,059.44 = 90,358.70/x
  3. Step 3: Cross multiply
    165,326.15x = 248,059.44 × 90,358.70
  4. Step 4: Simplify right side
    165,326.15x = 22,414,327,280.83
  5. Step 5: Solve for x
    x = 22,414,327,280.83/165,326.15
  6. Step 6: Final answer
    x = 135,576.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.