Home / 106,763.09-160,131.56-66,785.58

Finding the Fourth Proportional to 106,763.09, 160,131.56 and 66,785.58

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Solution

The fourth proportional to 106,763.09, 160,131.56 and 66,785.58 is: 100,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763.09 : 160,131.56 = 66,785.58 : x
  2. Step 2: Convert to fraction form
    106,763.09/160,131.56 = 66,785.58/x
  3. Step 3: Cross multiply
    106,763.09x = 160,131.56 × 66,785.58
  4. Step 4: Simplify right side
    106,763.09x = 10,694,478,776.98
  5. Step 5: Solve for x
    x = 10,694,478,776.98/106,763.09
  6. Step 6: Final answer
    x = 100,170.19

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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.