Home / 89,278.22-133,917.74-30,114.41

Finding the Fourth Proportional to 89,278.22, 133,917.74 and 30,114.41

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Solution

The fourth proportional to 89,278.22, 133,917.74 and 30,114.41 is: 45,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,278.22 : 133,917.74 = 30,114.41 : x
  2. Step 2: Convert to fraction form
    89,278.22/133,917.74 = 30,114.41/x
  3. Step 3: Cross multiply
    89,278.22x = 133,917.74 × 30,114.41
  4. Step 4: Simplify right side
    89,278.22x = 4,032,852,908.47
  5. Step 5: Solve for x
    x = 4,032,852,908.47/89,278.22
  6. Step 6: Final answer
    x = 45,171.75

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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.