Home / 208,694.14-287,997.90-118,048.16

Finding the Fourth Proportional to 208,694.14, 287,997.90 and 118,048.16

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Solution

The fourth proportional to 208,694.14, 287,997.90 and 118,048.16 is: 162,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,694.14 : 287,997.90 = 118,048.16 : x
  2. Step 2: Convert to fraction form
    208,694.14/287,997.90 = 118,048.16/x
  3. Step 3: Cross multiply
    208,694.14x = 287,997.90 × 118,048.16
  4. Step 4: Simplify right side
    208,694.14x = 33,997,622,178.86
  5. Step 5: Solve for x
    x = 33,997,622,178.86/208,694.14
  6. Step 6: Final answer
    x = 162,906.45

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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.