Home / 220,648.45-331,112.53-94,289.57

Finding the Fourth Proportional to 220,648.45, 331,112.53 and 94,289.57

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Solution

The fourth proportional to 220,648.45, 331,112.53 and 94,289.57 is: 141,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,648.45 : 331,112.53 = 94,289.57 : x
  2. Step 2: Convert to fraction form
    220,648.45/331,112.53 = 94,289.57/x
  3. Step 3: Cross multiply
    220,648.45x = 331,112.53 × 94,289.57
  4. Step 4: Simplify right side
    220,648.45x = 31,220,458,075.31
  5. Step 5: Solve for x
    x = 31,220,458,075.31/220,648.45
  6. Step 6: Final answer
    x = 141,494.12

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1.5x scale

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.