Home / 208,401.26-287,594.03-112,907.96

Finding the Fourth Proportional to 208,401.26, 287,594.03 and 112,907.96

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Solution

The fourth proportional to 208,401.26, 287,594.03 and 112,907.96 is: 155,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,401.26 : 287,594.03 = 112,907.96 : x
  2. Step 2: Convert to fraction form
    208,401.26/287,594.03 = 112,907.96/x
  3. Step 3: Cross multiply
    208,401.26x = 287,594.03 × 112,907.96
  4. Step 4: Simplify right side
    208,401.26x = 32,471,653,232.97
  5. Step 5: Solve for x
    x = 32,471,653,232.97/208,401.26
  6. Step 6: Final answer
    x = 155,813.13

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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.