Home / 208,371.96-287,553.04-112,879.04

Finding the Fourth Proportional to 208,371.96, 287,553.04 and 112,879.04

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Solution

The fourth proportional to 208,371.96, 287,553.04 and 112,879.04 is: 155,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,371.96 : 287,553.04 = 112,879.04 : x
  2. Step 2: Convert to fraction form
    208,371.96/287,553.04 = 112,879.04/x
  3. Step 3: Cross multiply
    208,371.96x = 287,553.04 × 112,879.04
  4. Step 4: Simplify right side
    208,371.96x = 32,458,709,384.32
  5. Step 5: Solve for x
    x = 32,458,709,384.32/208,371.96
  6. Step 6: Final answer
    x = 155,772.92

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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.