Home / 138,093.81-207,075.24-48,105.11

Finding the Fourth Proportional to 138,093.81, 207,075.24 and 48,105.11

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Solution

The fourth proportional to 138,093.81, 207,075.24 and 48,105.11 is: 72,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,093.81 : 207,075.24 = 48,105.11 : x
  2. Step 2: Convert to fraction form
    138,093.81/207,075.24 = 48,105.11/x
  3. Step 3: Cross multiply
    138,093.81x = 207,075.24 × 48,105.11
  4. Step 4: Simplify right side
    138,093.81x = 9,961,376,163.10
  5. Step 5: Solve for x
    x = 9,961,376,163.10/138,093.81
  6. Step 6: Final answer
    x = 72,134.85

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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.