Home / 93,102.78-139,636.14-36,176.58

Finding the Fourth Proportional to 93,102.78, 139,636.14 and 36,176.58

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Solution

The fourth proportional to 93,102.78, 139,636.14 and 36,176.58 is: 54,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102.78 : 139,636.14 = 36,176.58 : x
  2. Step 2: Convert to fraction form
    93,102.78/139,636.14 = 36,176.58/x
  3. Step 3: Cross multiply
    93,102.78x = 139,636.14 × 36,176.58
  4. Step 4: Simplify right side
    93,102.78x = 5,051,557,989.60
  5. Step 5: Solve for x
    x = 5,051,557,989.60/93,102.78
  6. Step 6: Final answer
    x = 54,257.86

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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.