Home / 208,847.24-287,991.26-123,947.90

Finding the Fourth Proportional to 208,847.24, 287,991.26 and 123,947.90

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Solution

The fourth proportional to 208,847.24, 287,991.26 and 123,947.90 is: 170,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,847.24 : 287,991.26 = 123,947.90 : x
  2. Step 2: Convert to fraction form
    208,847.24/287,991.26 = 123,947.90/x
  3. Step 3: Cross multiply
    208,847.24x = 287,991.26 × 123,947.90
  4. Step 4: Simplify right side
    208,847.24x = 35,695,911,895.35
  5. Step 5: Solve for x
    x = 35,695,911,895.35/208,847.24
  6. Step 6: Final answer
    x = 170,918.76

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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.