Home / 154,608.86-213,355.78-90,092.36

Finding the Fourth Proportional to 154,608.86, 213,355.78 and 90,092.36

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Solution

The fourth proportional to 154,608.86, 213,355.78 and 90,092.36 is: 124,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,608.86 : 213,355.78 = 90,092.36 : x
  2. Step 2: Convert to fraction form
    154,608.86/213,355.78 = 90,092.36/x
  3. Step 3: Cross multiply
    154,608.86x = 213,355.78 × 90,092.36
  4. Step 4: Simplify right side
    154,608.86x = 19,221,725,739.84
  5. Step 5: Solve for x
    x = 19,221,725,739.84/154,608.86
  6. Step 6: Final answer
    x = 124,324.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.