Home / 100,757.04-139,029.32-60,462

Finding the Fourth Proportional to 100,757.04, 139,029.32 and 60,462

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Solution

The fourth proportional to 100,757.04, 139,029.32 and 60,462 is: 83,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,757.04 : 139,029.32 = 60,462 : x
  2. Step 2: Convert to fraction form
    100,757.04/139,029.32 = 60,462/x
  3. Step 3: Cross multiply
    100,757.04x = 139,029.32 × 60,462
  4. Step 4: Simplify right side
    100,757.04x = 8,405,990,745.84
  5. Step 5: Solve for x
    x = 8,405,990,745.84/100,757.04
  6. Step 6: Final answer
    x = 83,428.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.