Home / 165,383.36-248,077.76-47,057.76

Finding the Fourth Proportional to 165,383.36, 248,077.76 and 47,057.76

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Solution

The fourth proportional to 165,383.36, 248,077.76 and 47,057.76 is: 70,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,383.36 : 248,077.76 = 47,057.76 : x
  2. Step 2: Convert to fraction form
    165,383.36/248,077.76 = 47,057.76/x
  3. Step 3: Cross multiply
    165,383.36x = 248,077.76 × 47,057.76
  4. Step 4: Simplify right side
    165,383.36x = 11,673,983,691.42
  5. Step 5: Solve for x
    x = 11,673,983,691.42/165,383.36
  6. Step 6: Final answer
    x = 70,587.41

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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.