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Finding the Fourth Proportional to 93,200.66, 139,766.96 and 34,018.82

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Solution

The fourth proportional to 93,200.66, 139,766.96 and 34,018.82 is: 51,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,200.66 : 139,766.96 = 34,018.82 : x
  2. Step 2: Convert to fraction form
    93,200.66/139,766.96 = 34,018.82/x
  3. Step 3: Cross multiply
    93,200.66x = 139,766.96 × 34,018.82
  4. Step 4: Simplify right side
    93,200.66x = 4,754,706,185.26
  5. Step 5: Solve for x
    x = 4,754,706,185.26/93,200.66
  6. Step 6: Final answer
    x = 51,015.80

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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.