Home / 208,291.08-287,441.96-112,797.92

Finding the Fourth Proportional to 208,291.08, 287,441.96 and 112,797.92

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Solution

The fourth proportional to 208,291.08, 287,441.96 and 112,797.92 is: 155,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,291.08 : 287,441.96 = 112,797.92 : x
  2. Step 2: Convert to fraction form
    208,291.08/287,441.96 = 112,797.92/x
  3. Step 3: Cross multiply
    208,291.08x = 287,441.96 × 112,797.92
  4. Step 4: Simplify right side
    208,291.08x = 32,422,855,208.72
  5. Step 5: Solve for x
    x = 32,422,855,208.72/208,291.08
  6. Step 6: Final answer
    x = 155,661.28

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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.