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Finding the Fourth Proportional to 101,446.70, 152,133.60 and 51,510.20

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Solution

The fourth proportional to 101,446.70, 152,133.60 and 51,510.20 is: 77,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,446.70 : 152,133.60 = 51,510.20 : x
  2. Step 2: Convert to fraction form
    101,446.70/152,133.60 = 51,510.20/x
  3. Step 3: Cross multiply
    101,446.70x = 152,133.60 × 51,510.20
  4. Step 4: Simplify right side
    101,446.70x = 7,836,432,162.72
  5. Step 5: Solve for x
    x = 7,836,432,162.72/101,446.70
  6. Step 6: Final answer
    x = 77,246.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.