Home / 208,291.06-287,441.09-112,797.73

Finding the Fourth Proportional to 208,291.06, 287,441.09 and 112,797.73

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Solution

The fourth proportional to 208,291.06, 287,441.09 and 112,797.73 is: 155,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,291.06 : 287,441.09 = 112,797.73 : x
  2. Step 2: Convert to fraction form
    208,291.06/287,441.09 = 112,797.73/x
  3. Step 3: Cross multiply
    208,291.06x = 287,441.09 × 112,797.73
  4. Step 4: Simplify right side
    208,291.06x = 32,422,701,178.13
  5. Step 5: Solve for x
    x = 32,422,701,178.13/208,291.06
  6. Step 6: Final answer
    x = 155,660.55

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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.