Home / 240,629.22-332,142.30-138,722.76

Finding the Fourth Proportional to 240,629.22, 332,142.30 and 138,722.76

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Solution

The fourth proportional to 240,629.22, 332,142.30 and 138,722.76 is: 191,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,629.22 : 332,142.30 = 138,722.76 : x
  2. Step 2: Convert to fraction form
    240,629.22/332,142.30 = 138,722.76/x
  3. Step 3: Cross multiply
    240,629.22x = 332,142.30 × 138,722.76
  4. Step 4: Simplify right side
    240,629.22x = 46,075,696,568.75
  5. Step 5: Solve for x
    x = 46,075,696,568.75/240,629.22
  6. Step 6: Final answer
    x = 191,480.06

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1.5x scale

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.