Home / 134,601.42-185,758.09-74,171.96

Finding the Fourth Proportional to 134,601.42, 185,758.09 and 74,171.96

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Solution

The fourth proportional to 134,601.42, 185,758.09 and 74,171.96 is: 102,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,601.42 : 185,758.09 = 74,171.96 : x
  2. Step 2: Convert to fraction form
    134,601.42/185,758.09 = 74,171.96/x
  3. Step 3: Cross multiply
    134,601.42x = 185,758.09 × 74,171.96
  4. Step 4: Simplify right side
    134,601.42x = 13,778,041,621.16
  5. Step 5: Solve for x
    x = 13,778,041,621.16/134,601.42
  6. Step 6: Final answer
    x = 102,361.79

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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.