Home / 208,844.48-287,987.46-123,945.14

Finding the Fourth Proportional to 208,844.48, 287,987.46 and 123,945.14

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Solution

The fourth proportional to 208,844.48, 287,987.46 and 123,945.14 is: 170,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.48 : 287,987.46 = 123,945.14 : x
  2. Step 2: Convert to fraction form
    208,844.48/287,987.46 = 123,945.14/x
  3. Step 3: Cross multiply
    208,844.48x = 287,987.46 × 123,945.14
  4. Step 4: Simplify right side
    208,844.48x = 35,694,646,047.94
  5. Step 5: Solve for x
    x = 35,694,646,047.94/208,844.48
  6. Step 6: Final answer
    x = 170,914.96

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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.