Home / 203,473.40-280,822.34-112,849.52

Finding the Fourth Proportional to 203,473.40, 280,822.34 and 112,849.52

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Solution

The fourth proportional to 203,473.40, 280,822.34 and 112,849.52 is: 155,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,473.40 : 280,822.34 = 112,849.52 : x
  2. Step 2: Convert to fraction form
    203,473.40/280,822.34 = 112,849.52/x
  3. Step 3: Cross multiply
    203,473.40x = 280,822.34 × 112,849.52
  4. Step 4: Simplify right side
    203,473.40x = 31,690,665,152.29
  5. Step 5: Solve for x
    x = 31,690,665,152.29/203,473.40
  6. Step 6: Final answer
    x = 155,748.45

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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.