Home / 190,382.46-262,729.35-105,500.94

Finding the Fourth Proportional to 190,382.46, 262,729.35 and 105,500.94

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Solution

The fourth proportional to 190,382.46, 262,729.35 and 105,500.94 is: 145,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,382.46 : 262,729.35 = 105,500.94 : x
  2. Step 2: Convert to fraction form
    190,382.46/262,729.35 = 105,500.94/x
  3. Step 3: Cross multiply
    190,382.46x = 262,729.35 × 105,500.94
  4. Step 4: Simplify right side
    190,382.46x = 27,718,193,390.59
  5. Step 5: Solve for x
    x = 27,718,193,390.59/190,382.46
  6. Step 6: Final answer
    x = 145,592.16

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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.