Home / 248,056.51-372,083.38-90,284.96

Finding the Fourth Proportional to 248,056.51, 372,083.38 and 90,284.96

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Solution

The fourth proportional to 248,056.51, 372,083.38 and 90,284.96 is: 135,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,056.51 : 372,083.38 = 90,284.96 : x
  2. Step 2: Convert to fraction form
    248,056.51/372,083.38 = 90,284.96/x
  3. Step 3: Cross multiply
    248,056.51x = 372,083.38 × 90,284.96
  4. Step 4: Simplify right side
    248,056.51x = 33,593,532,628.54
  5. Step 5: Solve for x
    x = 33,593,532,628.54/248,056.51
  6. Step 6: Final answer
    x = 135,426.93

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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.