Home / 141,519.32-195,297.64-76,989.16

Finding the Fourth Proportional to 141,519.32, 195,297.64 and 76,989.16

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Solution

The fourth proportional to 141,519.32, 195,297.64 and 76,989.16 is: 106,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,519.32 : 195,297.64 = 76,989.16 : x
  2. Step 2: Convert to fraction form
    141,519.32/195,297.64 = 76,989.16/x
  3. Step 3: Cross multiply
    141,519.32x = 195,297.64 × 76,989.16
  4. Step 4: Simplify right side
    141,519.32x = 15,035,801,253.58
  5. Step 5: Solve for x
    x = 15,035,801,253.58/141,519.32
  6. Step 6: Final answer
    x = 106,245.57

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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.