Home / 165,921.80-248,882.70-47,582.60

Finding the Fourth Proportional to 165,921.80, 248,882.70 and 47,582.60

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Solution

The fourth proportional to 165,921.80, 248,882.70 and 47,582.60 is: 71,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,921.80 : 248,882.70 = 47,582.60 : x
  2. Step 2: Convert to fraction form
    165,921.80/248,882.70 = 47,582.60/x
  3. Step 3: Cross multiply
    165,921.80x = 248,882.70 × 47,582.60
  4. Step 4: Simplify right side
    165,921.80x = 11,842,485,961.02
  5. Step 5: Solve for x
    x = 11,842,485,961.02/165,921.80
  6. Step 6: Final answer
    x = 71,373.90

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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.