Home / 248,016.60-372,111.30-107,875.80

Finding the Fourth Proportional to 248,016.60, 372,111.30 and 107,875.80

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Solution

The fourth proportional to 248,016.60, 372,111.30 and 107,875.80 is: 161,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,016.60 : 372,111.30 = 107,875.80 : x
  2. Step 2: Convert to fraction form
    248,016.60/372,111.30 = 107,875.80/x
  3. Step 3: Cross multiply
    248,016.60x = 372,111.30 × 107,875.80
  4. Step 4: Simplify right side
    248,016.60x = 40,141,804,176.54
  5. Step 5: Solve for x
    x = 40,141,804,176.54/248,016.60
  6. Step 6: Final answer
    x = 161,851.28

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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.