Home / 203,463.17-280,782.55-112,822.96

Finding the Fourth Proportional to 203,463.17, 280,782.55 and 112,822.96

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Solution

The fourth proportional to 203,463.17, 280,782.55 and 112,822.96 is: 155,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,463.17 : 280,782.55 = 112,822.96 : x
  2. Step 2: Convert to fraction form
    203,463.17/280,782.55 = 112,822.96/x
  3. Step 3: Cross multiply
    203,463.17x = 280,782.55 × 112,822.96
  4. Step 4: Simplify right side
    203,463.17x = 31,678,717,003.44
  5. Step 5: Solve for x
    x = 31,678,717,003.44/203,463.17
  6. Step 6: Final answer
    x = 155,697.55

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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.