Home / 208,519.25-287,755.54-113,025.71

Finding the Fourth Proportional to 208,519.25, 287,755.54 and 113,025.71

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Solution

The fourth proportional to 208,519.25, 287,755.54 and 113,025.71 is: 155,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,519.25 : 287,755.54 = 113,025.71 : x
  2. Step 2: Convert to fraction form
    208,519.25/287,755.54 = 113,025.71/x
  3. Step 3: Cross multiply
    208,519.25x = 287,755.54 × 113,025.71
  4. Step 4: Simplify right side
    208,519.25x = 32,523,774,651.76
  5. Step 5: Solve for x
    x = 32,523,774,651.76/208,519.25
  6. Step 6: Final answer
    x = 155,974.93

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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.