Home / 216,389.02-324,099.53-125,092.56

Finding the Fourth Proportional to 216,389.02, 324,099.53 and 125,092.56

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Solution

The fourth proportional to 216,389.02, 324,099.53 and 125,092.56 is: 187,359.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,389.02 : 324,099.53 = 125,092.56 : x
  2. Step 2: Convert to fraction form
    216,389.02/324,099.53 = 125,092.56/x
  3. Step 3: Cross multiply
    216,389.02x = 324,099.53 × 125,092.56
  4. Step 4: Simplify right side
    216,389.02x = 40,542,439,902.50
  5. Step 5: Solve for x
    x = 40,542,439,902.50/216,389.02
  6. Step 6: Final answer
    x = 187,359.04

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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.