Home / 222,390.48-306,774.36-131,657.92

Finding the Fourth Proportional to 222,390.48, 306,774.36 and 131,657.92

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Solution

The fourth proportional to 222,390.48, 306,774.36 and 131,657.92 is: 181,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,390.48 : 306,774.36 = 131,657.92 : x
  2. Step 2: Convert to fraction form
    222,390.48/306,774.36 = 131,657.92/x
  3. Step 3: Cross multiply
    222,390.48x = 306,774.36 × 131,657.92
  4. Step 4: Simplify right side
    222,390.48x = 40,389,274,146.93
  5. Step 5: Solve for x
    x = 40,389,274,146.93/222,390.48
  6. Step 6: Final answer
    x = 181,614.22

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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.