Home / 93,252.28-139,778.82-53,185

Finding the Fourth Proportional to 93,252.28, 139,778.82 and 53,185

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Solution

The fourth proportional to 93,252.28, 139,778.82 and 53,185 is: 79,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,252.28 : 139,778.82 = 53,185 : x
  2. Step 2: Convert to fraction form
    93,252.28/139,778.82 = 53,185/x
  3. Step 3: Cross multiply
    93,252.28x = 139,778.82 × 53,185
  4. Step 4: Simplify right side
    93,252.28x = 7,434,136,541.70
  5. Step 5: Solve for x
    x = 7,434,136,541.70/93,252.28
  6. Step 6: Final answer
    x = 79,720.69

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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.