Home / 218,657.08-301,747.82-123,165.28

Finding the Fourth Proportional to 218,657.08, 301,747.82 and 123,165.28

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Solution

The fourth proportional to 218,657.08, 301,747.82 and 123,165.28 is: 169,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,657.08 : 301,747.82 = 123,165.28 : x
  2. Step 2: Convert to fraction form
    218,657.08/301,747.82 = 123,165.28/x
  3. Step 3: Cross multiply
    218,657.08x = 301,747.82 × 123,165.28
  4. Step 4: Simplify right side
    218,657.08x = 37,164,854,739.69
  5. Step 5: Solve for x
    x = 37,164,854,739.69/218,657.08
  6. Step 6: Final answer
    x = 169,968.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.