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Finding the Fourth Proportional to 101,709.40, 152,564.10 and 49,124.20

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Solution

The fourth proportional to 101,709.40, 152,564.10 and 49,124.20 is: 73,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,709.40 : 152,564.10 = 49,124.20 : x
  2. Step 2: Convert to fraction form
    101,709.40/152,564.10 = 49,124.20/x
  3. Step 3: Cross multiply
    101,709.40x = 152,564.10 × 49,124.20
  4. Step 4: Simplify right side
    101,709.40x = 7,494,589,361.22
  5. Step 5: Solve for x
    x = 7,494,589,361.22/101,709.40
  6. Step 6: Final answer
    x = 73,686.30

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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.