Home / 133,145.41-183,716.33-75,781.35

Finding the Fourth Proportional to 133,145.41, 183,716.33 and 75,781.35

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Solution

The fourth proportional to 133,145.41, 183,716.33 and 75,781.35 is: 104,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,145.41 : 183,716.33 = 75,781.35 : x
  2. Step 2: Convert to fraction form
    133,145.41/183,716.33 = 75,781.35/x
  3. Step 3: Cross multiply
    133,145.41x = 183,716.33 × 75,781.35
  4. Step 4: Simplify right side
    133,145.41x = 13,922,271,504.45
  5. Step 5: Solve for x
    x = 13,922,271,504.45/133,145.41
  6. Step 6: Final answer
    x = 104,564.41

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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.