Home / 216,441.24-324,487.02-90,176.58

Finding the Fourth Proportional to 216,441.24, 324,487.02 and 90,176.58

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Solution

The fourth proportional to 216,441.24, 324,487.02 and 90,176.58 is: 135,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,441.24 : 324,487.02 = 90,176.58 : x
  2. Step 2: Convert to fraction form
    216,441.24/324,487.02 = 90,176.58/x
  3. Step 3: Cross multiply
    216,441.24x = 324,487.02 × 90,176.58
  4. Step 4: Simplify right side
    216,441.24x = 29,261,129,717.99
  5. Step 5: Solve for x
    x = 29,261,129,717.99/216,441.24
  6. Step 6: Final answer
    x = 135,192.03

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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.