Home / 208,858.28-313,436.68-88,999.16

Finding the Fourth Proportional to 208,858.28, 313,436.68 and 88,999.16

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Solution

The fourth proportional to 208,858.28, 313,436.68 and 88,999.16 is: 133,562.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,858.28 : 313,436.68 = 88,999.16 : x
  2. Step 2: Convert to fraction form
    208,858.28/313,436.68 = 88,999.16/x
  3. Step 3: Cross multiply
    208,858.28x = 313,436.68 × 88,999.16
  4. Step 4: Simplify right side
    208,858.28x = 27,895,601,233.19
  5. Step 5: Solve for x
    x = 27,895,601,233.19/208,858.28
  6. Step 6: Final answer
    x = 133,562.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.