Home / 223,749.21-308,695.99-126,941.66

Finding the Fourth Proportional to 223,749.21, 308,695.99 and 126,941.66

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Solution

The fourth proportional to 223,749.21, 308,695.99 and 126,941.66 is: 175,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,749.21 : 308,695.99 = 126,941.66 : x
  2. Step 2: Convert to fraction form
    223,749.21/308,695.99 = 126,941.66/x
  3. Step 3: Cross multiply
    223,749.21x = 308,695.99 × 126,941.66
  4. Step 4: Simplify right side
    223,749.21x = 39,186,379,715.50
  5. Step 5: Solve for x
    x = 39,186,379,715.50/223,749.21
  6. Step 6: Final answer
    x = 175,135.28

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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.