Home / 134,437.20-185,521.84-74,006.56

Finding the Fourth Proportional to 134,437.20, 185,521.84 and 74,006.56

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Solution

The fourth proportional to 134,437.20, 185,521.84 and 74,006.56 is: 102,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,437.20 : 185,521.84 = 74,006.56 : x
  2. Step 2: Convert to fraction form
    134,437.20/185,521.84 = 74,006.56/x
  3. Step 3: Cross multiply
    134,437.20x = 185,521.84 × 74,006.56
  4. Step 4: Simplify right side
    134,437.20x = 13,729,833,183.27
  5. Step 5: Solve for x
    x = 13,729,833,183.27/134,437.20
  6. Step 6: Final answer
    x = 102,128.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.