Home / 93,286.08-139,896.72-30,942

Finding the Fourth Proportional to 93,286.08, 139,896.72 and 30,942

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Solution

The fourth proportional to 93,286.08, 139,896.72 and 30,942 is: 46,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.08 : 139,896.72 = 30,942 : x
  2. Step 2: Convert to fraction form
    93,286.08/139,896.72 = 30,942/x
  3. Step 3: Cross multiply
    93,286.08x = 139,896.72 × 30,942
  4. Step 4: Simplify right side
    93,286.08x = 4,328,684,310.24
  5. Step 5: Solve for x
    x = 4,328,684,310.24/93,286.08
  6. Step 6: Final answer
    x = 46,402.25

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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.