Home / 136,356.39-204,478.68-47,579.97

Finding the Fourth Proportional to 136,356.39, 204,478.68 and 47,579.97

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Solution

The fourth proportional to 136,356.39, 204,478.68 and 47,579.97 is: 71,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356.39 : 204,478.68 = 47,579.97 : x
  2. Step 2: Convert to fraction form
    136,356.39/204,478.68 = 47,579.97/x
  3. Step 3: Cross multiply
    136,356.39x = 204,478.68 × 47,579.97
  4. Step 4: Simplify right side
    136,356.39x = 9,729,089,460.04
  5. Step 5: Solve for x
    x = 9,729,089,460.04/136,356.39
  6. Step 6: Final answer
    x = 71,350.45

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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.