Home / 134,670.32-185,845.47-74,239.64

Finding the Fourth Proportional to 134,670.32, 185,845.47 and 74,239.64

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Solution

The fourth proportional to 134,670.32, 185,845.47 and 74,239.64 is: 102,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,670.32 : 185,845.47 = 74,239.64 : x
  2. Step 2: Convert to fraction form
    134,670.32/185,845.47 = 74,239.64/x
  3. Step 3: Cross multiply
    134,670.32x = 185,845.47 × 74,239.64
  4. Step 4: Simplify right side
    134,670.32x = 13,797,100,788.43
  5. Step 5: Solve for x
    x = 13,797,100,788.43/134,670.32
  6. Step 6: Final answer
    x = 102,450.94

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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.