Home / 89,361.12-134,060.97-30,195.48

Finding the Fourth Proportional to 89,361.12, 134,060.97 and 30,195.48

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Solution

The fourth proportional to 89,361.12, 134,060.97 and 30,195.48 is: 45,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,361.12 : 134,060.97 = 30,195.48 : x
  2. Step 2: Convert to fraction form
    89,361.12/134,060.97 = 30,195.48/x
  3. Step 3: Cross multiply
    89,361.12x = 134,060.97 × 30,195.48
  4. Step 4: Simplify right side
    89,361.12x = 4,048,035,954.38
  5. Step 5: Solve for x
    x = 4,048,035,954.38/89,361.12
  6. Step 6: Final answer
    x = 45,299.74

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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.