Home / 134,507.12-185,618.42-74,076.49

Finding the Fourth Proportional to 134,507.12, 185,618.42 and 74,076.49

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Solution

The fourth proportional to 134,507.12, 185,618.42 and 74,076.49 is: 102,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.12 : 185,618.42 = 74,076.49 : x
  2. Step 2: Convert to fraction form
    134,507.12/185,618.42 = 74,076.49/x
  3. Step 3: Cross multiply
    134,507.12x = 185,618.42 × 74,076.49
  4. Step 4: Simplify right side
    134,507.12x = 13,749,961,172.37
  5. Step 5: Solve for x
    x = 13,749,961,172.37/134,507.12
  6. Step 6: Final answer
    x = 102,224.79

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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.