Home / 208,290.15-287,441.46-112,797.23

Finding the Fourth Proportional to 208,290.15, 287,441.46 and 112,797.23

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Solution

The fourth proportional to 208,290.15, 287,441.46 and 112,797.23 is: 155,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,290.15 : 287,441.46 = 112,797.23 : x
  2. Step 2: Convert to fraction form
    208,290.15/287,441.46 = 112,797.23/x
  3. Step 3: Cross multiply
    208,290.15x = 287,441.46 × 112,797.23
  4. Step 4: Simplify right side
    208,290.15x = 32,422,599,037.95
  5. Step 5: Solve for x
    x = 32,422,599,037.95/208,290.15
  6. Step 6: Final answer
    x = 155,660.74

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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.