Home / 223,914.43-308,997.28-121,941.67

Finding the Fourth Proportional to 223,914.43, 308,997.28 and 121,941.67

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Solution

The fourth proportional to 223,914.43, 308,997.28 and 121,941.67 is: 168,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,914.43 : 308,997.28 = 121,941.67 : x
  2. Step 2: Convert to fraction form
    223,914.43/308,997.28 = 121,941.67/x
  3. Step 3: Cross multiply
    223,914.43x = 308,997.28 × 121,941.67
  4. Step 4: Simplify right side
    223,914.43x = 37,679,644,348.66
  5. Step 5: Solve for x
    x = 37,679,644,348.66/223,914.43
  6. Step 6: Final answer
    x = 168,276.98

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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.