Home / 194,015.20-290,828.40-88,909.60

Finding the Fourth Proportional to 194,015.20, 290,828.40 and 88,909.60

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Solution

The fourth proportional to 194,015.20, 290,828.40 and 88,909.60 is: 133,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,015.20 : 290,828.40 = 88,909.60 : x
  2. Step 2: Convert to fraction form
    194,015.20/290,828.40 = 88,909.60/x
  3. Step 3: Cross multiply
    194,015.20x = 290,828.40 × 88,909.60
  4. Step 4: Simplify right side
    194,015.20x = 25,857,436,712.64
  5. Step 5: Solve for x
    x = 25,857,436,712.64/194,015.20
  6. Step 6: Final answer
    x = 133,275.31

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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.