Home / 93,142.36-139,723.48-39,839.85

Finding the Fourth Proportional to 93,142.36, 139,723.48 and 39,839.85

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Solution

The fourth proportional to 93,142.36, 139,723.48 and 39,839.85 is: 59,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,142.36 : 139,723.48 = 39,839.85 : x
  2. Step 2: Convert to fraction form
    93,142.36/139,723.48 = 39,839.85/x
  3. Step 3: Cross multiply
    93,142.36x = 139,723.48 × 39,839.85
  4. Step 4: Simplify right side
    93,142.36x = 5,566,562,534.48
  5. Step 5: Solve for x
    x = 5,566,562,534.48/93,142.36
  6. Step 6: Final answer
    x = 59,764.03

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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.