Home / 178,782.02-268,169.51-72,163.14

Finding the Fourth Proportional to 178,782.02, 268,169.51 and 72,163.14

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Solution

The fourth proportional to 178,782.02, 268,169.51 and 72,163.14 is: 108,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,782.02 : 268,169.51 = 72,163.14 : x
  2. Step 2: Convert to fraction form
    178,782.02/268,169.51 = 72,163.14/x
  3. Step 3: Cross multiply
    178,782.02x = 268,169.51 × 72,163.14
  4. Step 4: Simplify right side
    178,782.02x = 19,351,953,533.05
  5. Step 5: Solve for x
    x = 19,351,953,533.05/178,782.02
  6. Step 6: Final answer
    x = 108,243.29

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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.