Home / 190,429.75-262,801.63-108,765.10

Finding the Fourth Proportional to 190,429.75, 262,801.63 and 108,765.10

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Solution

The fourth proportional to 190,429.75, 262,801.63 and 108,765.10 is: 150,100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,429.75 : 262,801.63 = 108,765.10 : x
  2. Step 2: Convert to fraction form
    190,429.75/262,801.63 = 108,765.10/x
  3. Step 3: Cross multiply
    190,429.75x = 262,801.63 × 108,765.10
  4. Step 4: Simplify right side
    190,429.75x = 28,583,645,567.11
  5. Step 5: Solve for x
    x = 28,583,645,567.11/190,429.75
  6. Step 6: Final answer
    x = 150,100.74

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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.