Home / 134,977.37-186,265.20-74,546.72

Finding the Fourth Proportional to 134,977.37, 186,265.20 and 74,546.72

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Solution

The fourth proportional to 134,977.37, 186,265.20 and 74,546.72 is: 102,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,977.37 : 186,265.20 = 74,546.72 : x
  2. Step 2: Convert to fraction form
    134,977.37/186,265.20 = 74,546.72/x
  3. Step 3: Cross multiply
    134,977.37x = 186,265.20 × 74,546.72
  4. Step 4: Simplify right side
    134,977.37x = 13,885,458,778.82
  5. Step 5: Solve for x
    x = 13,885,458,778.82/134,977.37
  6. Step 6: Final answer
    x = 102,872.50

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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.