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Finding the Fourth Proportional to 93,339.16, 139,952.44 and 37,187.92

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Solution

The fourth proportional to 93,339.16, 139,952.44 and 37,187.92 is: 55,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,339.16 : 139,952.44 = 37,187.92 : x
  2. Step 2: Convert to fraction form
    93,339.16/139,952.44 = 37,187.92/x
  3. Step 3: Cross multiply
    93,339.16x = 139,952.44 × 37,187.92
  4. Step 4: Simplify right side
    93,339.16x = 5,204,540,142.52
  5. Step 5: Solve for x
    x = 5,204,540,142.52/93,339.16
  6. Step 6: Final answer
    x = 55,759.45

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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.