Home / 134,900.28-186,163.89-74,470.96

Finding the Fourth Proportional to 134,900.28, 186,163.89 and 74,470.96

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Solution

The fourth proportional to 134,900.28, 186,163.89 and 74,470.96 is: 102,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,900.28 : 186,163.89 = 74,470.96 : x
  2. Step 2: Convert to fraction form
    134,900.28/186,163.89 = 74,470.96/x
  3. Step 3: Cross multiply
    134,900.28x = 186,163.89 × 74,470.96
  4. Step 4: Simplify right side
    134,900.28x = 13,863,804,187.42
  5. Step 5: Solve for x
    x = 13,863,804,187.42/134,900.28
  6. Step 6: Final answer
    x = 102,770.76

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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.