Home / 165,973.70-248,663.55-100,939.70

Finding the Fourth Proportional to 165,973.70, 248,663.55 and 100,939.70

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Solution

The fourth proportional to 165,973.70, 248,663.55 and 100,939.70 is: 151,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,973.70 : 248,663.55 = 100,939.70 : x
  2. Step 2: Convert to fraction form
    165,973.70/248,663.55 = 100,939.70/x
  3. Step 3: Cross multiply
    165,973.70x = 248,663.55 × 100,939.70
  4. Step 4: Simplify right side
    165,973.70x = 25,100,024,137.94
  5. Step 5: Solve for x
    x = 25,100,024,137.94/165,973.70
  6. Step 6: Final answer
    x = 151,228.92

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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.