Home / 89,220.37-133,830.75-30,097.54

Finding the Fourth Proportional to 89,220.37, 133,830.75 and 30,097.54

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Solution

The fourth proportional to 89,220.37, 133,830.75 and 30,097.54 is: 45,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.37 : 133,830.75 = 30,097.54 : x
  2. Step 2: Convert to fraction form
    89,220.37/133,830.75 = 30,097.54/x
  3. Step 3: Cross multiply
    89,220.37x = 133,830.75 × 30,097.54
  4. Step 4: Simplify right side
    89,220.37x = 4,027,976,351.36
  5. Step 5: Solve for x
    x = 4,027,976,351.36/89,220.37
  6. Step 6: Final answer
    x = 45,146.38

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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.