Home / 203,523.67-280,829.02-112,865.23

Finding the Fourth Proportional to 203,523.67, 280,829.02 and 112,865.23

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Solution

The fourth proportional to 203,523.67, 280,829.02 and 112,865.23 is: 155,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,523.67 : 280,829.02 = 112,865.23 : x
  2. Step 2: Convert to fraction form
    203,523.67/280,829.02 = 112,865.23/x
  3. Step 3: Cross multiply
    203,523.67x = 280,829.02 × 112,865.23
  4. Step 4: Simplify right side
    203,523.67x = 31,695,831,932.97
  5. Step 5: Solve for x
    x = 31,695,831,932.97/203,523.67
  6. Step 6: Final answer
    x = 155,735.36

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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.