Home / 133,860.66-200,750.04-45,090.36

Finding the Fourth Proportional to 133,860.66, 200,750.04 and 45,090.36

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Solution

The fourth proportional to 133,860.66, 200,750.04 and 45,090.36 is: 67,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,860.66 : 200,750.04 = 45,090.36 : x
  2. Step 2: Convert to fraction form
    133,860.66/200,750.04 = 45,090.36/x
  3. Step 3: Cross multiply
    133,860.66x = 200,750.04 × 45,090.36
  4. Step 4: Simplify right side
    133,860.66x = 9,051,891,573.61
  5. Step 5: Solve for x
    x = 9,051,891,573.61/133,860.66
  6. Step 6: Final answer
    x = 67,621.75

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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.