Home / 248,195.75-372,219.64-90,387.29

Finding the Fourth Proportional to 248,195.75, 372,219.64 and 90,387.29

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Solution

The fourth proportional to 248,195.75, 372,219.64 and 90,387.29 is: 135,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,195.75 : 372,219.64 = 90,387.29 : x
  2. Step 2: Convert to fraction form
    248,195.75/372,219.64 = 90,387.29/x
  3. Step 3: Cross multiply
    248,195.75x = 372,219.64 × 90,387.29
  4. Step 4: Simplify right side
    248,195.75x = 33,643,925,248.96
  5. Step 5: Solve for x
    x = 33,643,925,248.96/248,195.75
  6. Step 6: Final answer
    x = 135,554.00

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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.