Home / 208,180.22-287,287.68-117,535.28

Finding the Fourth Proportional to 208,180.22, 287,287.68 and 117,535.28

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Solution

The fourth proportional to 208,180.22, 287,287.68 and 117,535.28 is: 162,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,180.22 : 287,287.68 = 117,535.28 : x
  2. Step 2: Convert to fraction form
    208,180.22/287,287.68 = 117,535.28/x
  3. Step 3: Cross multiply
    208,180.22x = 287,287.68 × 117,535.28
  4. Step 4: Simplify right side
    208,180.22x = 33,766,437,909.35
  5. Step 5: Solve for x
    x = 33,766,437,909.35/208,180.22
  6. Step 6: Final answer
    x = 162,198.11

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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.