Home / 133,119.42-183,720.87-75,772.64

Finding the Fourth Proportional to 133,119.42, 183,720.87 and 75,772.64

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Solution

The fourth proportional to 133,119.42, 183,720.87 and 75,772.64 is: 104,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,119.42 : 183,720.87 = 75,772.64 : x
  2. Step 2: Convert to fraction form
    133,119.42/183,720.87 = 75,772.64/x
  3. Step 3: Cross multiply
    133,119.42x = 183,720.87 × 75,772.64
  4. Step 4: Simplify right side
    133,119.42x = 13,921,015,392.14
  5. Step 5: Solve for x
    x = 13,921,015,392.14/133,119.42
  6. Step 6: Final answer
    x = 104,575.39

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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.