Home / 190,428.75-262,800.25-108,764.10

Finding the Fourth Proportional to 190,428.75, 262,800.25 and 108,764.10

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Solution

The fourth proportional to 190,428.75, 262,800.25 and 108,764.10 is: 150,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,428.75 : 262,800.25 = 108,764.10 : x
  2. Step 2: Convert to fraction form
    190,428.75/262,800.25 = 108,764.10/x
  3. Step 3: Cross multiply
    190,428.75x = 262,800.25 × 108,764.10
  4. Step 4: Simplify right side
    190,428.75x = 28,583,232,399.11
  5. Step 5: Solve for x
    x = 28,583,232,399.11/190,428.75
  6. Step 6: Final answer
    x = 150,099.35

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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.