Home / 216,718.07-324,781.83-104,390.10

Finding the Fourth Proportional to 216,718.07, 324,781.83 and 104,390.10

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Solution

The fourth proportional to 216,718.07, 324,781.83 and 104,390.10 is: 156,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,718.07 : 324,781.83 = 104,390.10 : x
  2. Step 2: Convert to fraction form
    216,718.07/324,781.83 = 104,390.10/x
  3. Step 3: Cross multiply
    216,718.07x = 324,781.83 × 104,390.10
  4. Step 4: Simplify right side
    216,718.07x = 33,904,007,711.88
  5. Step 5: Solve for x
    x = 33,904,007,711.88/216,718.07
  6. Step 6: Final answer
    x = 156,442.92

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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.