Home / 216,238.32-324,218.87-89,966.16

Finding the Fourth Proportional to 216,238.32, 324,218.87 and 89,966.16

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Solution

The fourth proportional to 216,238.32, 324,218.87 and 89,966.16 is: 134,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,238.32 : 324,218.87 = 89,966.16 : x
  2. Step 2: Convert to fraction form
    216,238.32/324,218.87 = 89,966.16/x
  3. Step 3: Cross multiply
    216,238.32x = 324,218.87 × 89,966.16
  4. Step 4: Simplify right side
    216,238.32x = 29,168,726,733.44
  5. Step 5: Solve for x
    x = 29,168,726,733.44/216,238.32
  6. Step 6: Final answer
    x = 134,891.57

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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.