Home / 248,316.20-372,215.10-135,823.40

Finding the Fourth Proportional to 248,316.20, 372,215.10 and 135,823.40

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Solution

The fourth proportional to 248,316.20, 372,215.10 and 135,823.40 is: 203,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,316.20 : 372,215.10 = 135,823.40 : x
  2. Step 2: Convert to fraction form
    248,316.20/372,215.10 = 135,823.40/x
  3. Step 3: Cross multiply
    248,316.20x = 372,215.10 × 135,823.40
  4. Step 4: Simplify right side
    248,316.20x = 50,555,520,413.34
  5. Step 5: Solve for x
    x = 50,555,520,413.34/248,316.20
  6. Step 6: Final answer
    x = 203,593.32

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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.