Home / 165,425.70-248,240.61-76,662.66

Finding the Fourth Proportional to 165,425.70, 248,240.61 and 76,662.66

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Solution

The fourth proportional to 165,425.70, 248,240.61 and 76,662.66 is: 115,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,425.70 : 248,240.61 = 76,662.66 : x
  2. Step 2: Convert to fraction form
    165,425.70/248,240.61 = 76,662.66/x
  3. Step 3: Cross multiply
    165,425.70x = 248,240.61 × 76,662.66
  4. Step 4: Simplify right side
    165,425.70x = 19,030,785,482.62
  5. Step 5: Solve for x
    x = 19,030,785,482.62/165,425.70
  6. Step 6: Final answer
    x = 115,041.29

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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.