Home / 100,384.23-150,375.58-60,381.12

Finding the Fourth Proportional to 100,384.23, 150,375.58 and 60,381.12

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Solution

The fourth proportional to 100,384.23, 150,375.58 and 60,381.12 is: 90,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,384.23 : 150,375.58 = 60,381.12 : x
  2. Step 2: Convert to fraction form
    100,384.23/150,375.58 = 60,381.12/x
  3. Step 3: Cross multiply
    100,384.23x = 150,375.58 × 60,381.12
  4. Step 4: Simplify right side
    100,384.23x = 9,079,845,790.10
  5. Step 5: Solve for x
    x = 9,079,845,790.10/100,384.23
  6. Step 6: Final answer
    x = 90,450.92

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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.