Home / 203,237.90-280,451.83-112,597.69

Finding the Fourth Proportional to 203,237.90, 280,451.83 and 112,597.69

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Solution

The fourth proportional to 203,237.90, 280,451.83 and 112,597.69 is: 155,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.90 : 280,451.83 = 112,597.69 : x
  2. Step 2: Convert to fraction form
    203,237.90/280,451.83 = 112,597.69/x
  3. Step 3: Cross multiply
    203,237.90x = 280,451.83 × 112,597.69
  4. Step 4: Simplify right side
    203,237.90x = 31,578,228,214.27
  5. Step 5: Solve for x
    x = 31,578,228,214.27/203,237.90
  6. Step 6: Final answer
    x = 155,375.69

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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.