Home / 133,250.39-183,758.36-87,241.37

Finding the Fourth Proportional to 133,250.39, 183,758.36 and 87,241.37

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Solution

The fourth proportional to 133,250.39, 183,758.36 and 87,241.37 is: 120,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,250.39 : 183,758.36 = 87,241.37 : x
  2. Step 2: Convert to fraction form
    133,250.39/183,758.36 = 87,241.37/x
  3. Step 3: Cross multiply
    133,250.39x = 183,758.36 × 87,241.37
  4. Step 4: Simplify right side
    133,250.39x = 16,031,329,720.35
  5. Step 5: Solve for x
    x = 16,031,329,720.35/133,250.39
  6. Step 6: Final answer
    x = 120,309.82

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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.