Home / 93,285.66-139,938.23-39,982.98

Finding the Fourth Proportional to 93,285.66, 139,938.23 and 39,982.98

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Solution

The fourth proportional to 93,285.66, 139,938.23 and 39,982.98 is: 59,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,285.66 : 139,938.23 = 39,982.98 : x
  2. Step 2: Convert to fraction form
    93,285.66/139,938.23 = 39,982.98/x
  3. Step 3: Cross multiply
    93,285.66x = 139,938.23 × 39,982.98
  4. Step 4: Simplify right side
    93,285.66x = 5,595,147,451.33
  5. Step 5: Solve for x
    x = 5,595,147,451.33/93,285.66
  6. Step 6: Final answer
    x = 59,978.64

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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.