Home / 203,612.43-281,018.90-112,997.52

Finding the Fourth Proportional to 203,612.43, 281,018.90 and 112,997.52

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Solution

The fourth proportional to 203,612.43, 281,018.90 and 112,997.52 is: 155,955.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,612.43 : 281,018.90 = 112,997.52 : x
  2. Step 2: Convert to fraction form
    203,612.43/281,018.90 = 112,997.52/x
  3. Step 3: Cross multiply
    203,612.43x = 281,018.90 × 112,997.52
  4. Step 4: Simplify right side
    203,612.43x = 31,754,438,773.13
  5. Step 5: Solve for x
    x = 31,754,438,773.13/203,612.43
  6. Step 6: Final answer
    x = 155,955.31

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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.