Home / 203,500.73-280,817.06-112,848.21

Finding the Fourth Proportional to 203,500.73, 280,817.06 and 112,848.21

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Solution

The fourth proportional to 203,500.73, 280,817.06 and 112,848.21 is: 155,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,500.73 : 280,817.06 = 112,848.21 : x
  2. Step 2: Convert to fraction form
    203,500.73/280,817.06 = 112,848.21/x
  3. Step 3: Cross multiply
    203,500.73x = 280,817.06 × 112,848.21
  4. Step 4: Simplify right side
    203,500.73x = 31,689,703,894.87
  5. Step 5: Solve for x
    x = 31,689,703,894.87/203,500.73
  6. Step 6: Final answer
    x = 155,722.80

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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.