Home / 178,730.37-268,101.99-89,935.56

Finding the Fourth Proportional to 178,730.37, 268,101.99 and 89,935.56

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Solution

The fourth proportional to 178,730.37, 268,101.99 and 89,935.56 is: 134,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,730.37 : 268,101.99 = 89,935.56 : x
  2. Step 2: Convert to fraction form
    178,730.37/268,101.99 = 89,935.56/x
  3. Step 3: Cross multiply
    178,730.37x = 268,101.99 × 89,935.56
  4. Step 4: Simplify right side
    178,730.37x = 24,111,902,607.76
  5. Step 5: Solve for x
    x = 24,111,902,607.76/178,730.37
  6. Step 6: Final answer
    x = 134,906.58

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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.