Home / 208,190.25-287,302.68-112,697.73

Finding the Fourth Proportional to 208,190.25, 287,302.68 and 112,697.73

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Solution

The fourth proportional to 208,190.25, 287,302.68 and 112,697.73 is: 155,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,190.25 : 287,302.68 = 112,697.73 : x
  2. Step 2: Convert to fraction form
    208,190.25/287,302.68 = 112,697.73/x
  3. Step 3: Cross multiply
    208,190.25x = 287,302.68 × 112,697.73
  4. Step 4: Simplify right side
    208,190.25x = 32,378,359,858.92
  5. Step 5: Solve for x
    x = 32,378,359,858.92/208,190.25
  6. Step 6: Final answer
    x = 155,522.94

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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.