Home / 165,458.18-248,187.36-70,608.62

Finding the Fourth Proportional to 165,458.18, 248,187.36 and 70,608.62

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Solution

The fourth proportional to 165,458.18, 248,187.36 and 70,608.62 is: 105,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,458.18 : 248,187.36 = 70,608.62 : x
  2. Step 2: Convert to fraction form
    165,458.18/248,187.36 = 70,608.62/x
  3. Step 3: Cross multiply
    165,458.18x = 248,187.36 × 70,608.62
  4. Step 4: Simplify right side
    165,458.18x = 17,524,166,991.04
  5. Step 5: Solve for x
    x = 17,524,166,991.04/165,458.18
  6. Step 6: Final answer
    x = 105,912.97

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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.