Home / 178,835.67-268,252.43-45,715.71

Finding the Fourth Proportional to 178,835.67, 268,252.43 and 45,715.71

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Solution

The fourth proportional to 178,835.67, 268,252.43 and 45,715.71 is: 68,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,835.67 : 268,252.43 = 45,715.71 : x
  2. Step 2: Convert to fraction form
    178,835.67/268,252.43 = 45,715.71/x
  3. Step 3: Cross multiply
    178,835.67x = 268,252.43 × 45,715.71
  4. Step 4: Simplify right side
    178,835.67x = 12,263,350,296.68
  5. Step 5: Solve for x
    x = 12,263,350,296.68/178,835.67
  6. Step 6: Final answer
    x = 68,573.29

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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.