Home / 93,690.81-140,558.72-27,135.54

Finding the Fourth Proportional to 93,690.81, 140,558.72 and 27,135.54

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Solution

The fourth proportional to 93,690.81, 140,558.72 and 27,135.54 is: 40,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,690.81 : 140,558.72 = 27,135.54 : x
  2. Step 2: Convert to fraction form
    93,690.81/140,558.72 = 27,135.54/x
  3. Step 3: Cross multiply
    93,690.81x = 140,558.72 × 27,135.54
  4. Step 4: Simplify right side
    93,690.81x = 3,814,136,633.23
  5. Step 5: Solve for x
    x = 3,814,136,633.23/93,690.81
  6. Step 6: Final answer
    x = 40,709.83

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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.