Home / 208,202.37-287,318.94-112,709.04

Finding the Fourth Proportional to 208,202.37, 287,318.94 and 112,709.04

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Solution

The fourth proportional to 208,202.37, 287,318.94 and 112,709.04 is: 155,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,202.37 : 287,318.94 = 112,709.04 : x
  2. Step 2: Convert to fraction form
    208,202.37/287,318.94 = 112,709.04/x
  3. Step 3: Cross multiply
    208,202.37x = 287,318.94 × 112,709.04
  4. Step 4: Simplify right side
    208,202.37x = 32,383,441,901.22
  5. Step 5: Solve for x
    x = 32,383,441,901.22/208,202.37
  6. Step 6: Final answer
    x = 155,538.30

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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.