Home / 203,398.02-280,684.44-112,752.36

Finding the Fourth Proportional to 203,398.02, 280,684.44 and 112,752.36

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Solution

The fourth proportional to 203,398.02, 280,684.44 and 112,752.36 is: 155,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,398.02 : 280,684.44 = 112,752.36 : x
  2. Step 2: Convert to fraction form
    203,398.02/280,684.44 = 112,752.36/x
  3. Step 3: Cross multiply
    203,398.02x = 280,684.44 × 112,752.36
  4. Step 4: Simplify right side
    203,398.02x = 31,647,833,025.28
  5. Step 5: Solve for x
    x = 31,647,833,025.28/203,398.02
  6. Step 6: Final answer
    x = 155,595.58

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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.