Home / 133,639.44-199,995.04-83,017.68

Finding the Fourth Proportional to 133,639.44, 199,995.04 and 83,017.68

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Solution

The fourth proportional to 133,639.44, 199,995.04 and 83,017.68 is: 124,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,639.44 : 199,995.04 = 83,017.68 : x
  2. Step 2: Convert to fraction form
    133,639.44/199,995.04 = 83,017.68/x
  3. Step 3: Cross multiply
    133,639.44x = 199,995.04 × 83,017.68
  4. Step 4: Simplify right side
    133,639.44x = 16,603,124,232.31
  5. Step 5: Solve for x
    x = 16,603,124,232.31/133,639.44
  6. Step 6: Final answer
    x = 124,238.21

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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.