Home / 149,144.47-205,822.10-82,075.03

Finding the Fourth Proportional to 149,144.47, 205,822.10 and 82,075.03

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Solution

The fourth proportional to 149,144.47, 205,822.10 and 82,075.03 is: 113,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,144.47 : 205,822.10 = 82,075.03 : x
  2. Step 2: Convert to fraction form
    149,144.47/205,822.10 = 82,075.03/x
  3. Step 3: Cross multiply
    149,144.47x = 205,822.10 × 82,075.03
  4. Step 4: Simplify right side
    149,144.47x = 16,892,855,032.16
  5. Step 5: Solve for x
    x = 16,892,855,032.16/149,144.47
  6. Step 6: Final answer
    x = 113,265.04

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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.