Home / 218,442.27-327,707.16-68,720.25

Finding the Fourth Proportional to 218,442.27, 327,707.16 and 68,720.25

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Solution

The fourth proportional to 218,442.27, 327,707.16 and 68,720.25 is: 103,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,442.27 : 327,707.16 = 68,720.25 : x
  2. Step 2: Convert to fraction form
    218,442.27/327,707.16 = 68,720.25/x
  3. Step 3: Cross multiply
    218,442.27x = 327,707.16 × 68,720.25
  4. Step 4: Simplify right side
    218,442.27x = 22,520,117,961.99
  5. Step 5: Solve for x
    x = 22,520,117,961.99/218,442.27
  6. Step 6: Final answer
    x = 103,094.14

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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.