Home / 203,264.86-280,500.06-117,221.80

Finding the Fourth Proportional to 203,264.86, 280,500.06 and 117,221.80

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Solution

The fourth proportional to 203,264.86, 280,500.06 and 117,221.80 is: 161,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,264.86 : 280,500.06 = 117,221.80 : x
  2. Step 2: Convert to fraction form
    203,264.86/280,500.06 = 117,221.80/x
  3. Step 3: Cross multiply
    203,264.86x = 280,500.06 × 117,221.80
  4. Step 4: Simplify right side
    203,264.86x = 32,880,721,933.31
  5. Step 5: Solve for x
    x = 32,880,721,933.31/203,264.86
  6. Step 6: Final answer
    x = 161,762.94

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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.