Home / 218,032.18-327,095.42-66,216.78

Finding the Fourth Proportional to 218,032.18, 327,095.42 and 66,216.78

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Solution

The fourth proportional to 218,032.18, 327,095.42 and 66,216.78 is: 99,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,032.18 : 327,095.42 = 66,216.78 : x
  2. Step 2: Convert to fraction form
    218,032.18/327,095.42 = 66,216.78/x
  3. Step 3: Cross multiply
    218,032.18x = 327,095.42 × 66,216.78
  4. Step 4: Simplify right side
    218,032.18x = 21,659,205,465.15
  5. Step 5: Solve for x
    x = 21,659,205,465.15/218,032.18
  6. Step 6: Final answer
    x = 99,339.49

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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.