Home / 220,922.64-331,075.04-119,501.75

Finding the Fourth Proportional to 220,922.64, 331,075.04 and 119,501.75

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Solution

The fourth proportional to 220,922.64, 331,075.04 and 119,501.75 is: 179,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,922.64 : 331,075.04 = 119,501.75 : x
  2. Step 2: Convert to fraction form
    220,922.64/331,075.04 = 119,501.75/x
  3. Step 3: Cross multiply
    220,922.64x = 331,075.04 × 119,501.75
  4. Step 4: Simplify right side
    220,922.64x = 39,564,044,408.44
  5. Step 5: Solve for x
    x = 39,564,044,408.44/220,922.64
  6. Step 6: Final answer
    x = 179,085.51

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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.