Home / 203,003.40-280,200.92-118,136.80

Finding the Fourth Proportional to 203,003.40, 280,200.92 and 118,136.80

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Solution

The fourth proportional to 203,003.40, 280,200.92 and 118,136.80 is: 163,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,003.40 : 280,200.92 = 118,136.80 : x
  2. Step 2: Convert to fraction form
    203,003.40/280,200.92 = 118,136.80/x
  3. Step 3: Cross multiply
    203,003.40x = 280,200.92 × 118,136.80
  4. Step 4: Simplify right side
    203,003.40x = 33,102,040,045.86
  5. Step 5: Solve for x
    x = 33,102,040,045.86/203,003.40
  6. Step 6: Final answer
    x = 163,061.51

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1.5x scale

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.