Home / 134,529.21-185,651.55-74,100.06

Finding the Fourth Proportional to 134,529.21, 185,651.55 and 74,100.06

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Solution

The fourth proportional to 134,529.21, 185,651.55 and 74,100.06 is: 102,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529.21 : 185,651.55 = 74,100.06 : x
  2. Step 2: Convert to fraction form
    134,529.21/185,651.55 = 74,100.06/x
  3. Step 3: Cross multiply
    134,529.21x = 185,651.55 × 74,100.06
  4. Step 4: Simplify right side
    134,529.21x = 13,756,790,994.09
  5. Step 5: Solve for x
    x = 13,756,790,994.09/134,529.21
  6. Step 6: Final answer
    x = 102,258.77

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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.