Home / 216,261.23-324,461.27-103,949.61

Finding the Fourth Proportional to 216,261.23, 324,461.27 and 103,949.61

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Solution

The fourth proportional to 216,261.23, 324,461.27 and 103,949.61 is: 155,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,261.23 : 324,461.27 = 103,949.61 : x
  2. Step 2: Convert to fraction form
    216,261.23/324,461.27 = 103,949.61/x
  3. Step 3: Cross multiply
    216,261.23x = 324,461.27 × 103,949.61
  4. Step 4: Simplify right side
    216,261.23x = 33,727,621,956.86
  5. Step 5: Solve for x
    x = 33,727,621,956.86/216,261.23
  6. Step 6: Final answer
    x = 155,957.79

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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.