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Finding the Fourth Proportional to 106,340.40, 159,510.60 and 67,071.60

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Solution

The fourth proportional to 106,340.40, 159,510.60 and 67,071.60 is: 100,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,340.40 : 159,510.60 = 67,071.60 : x
  2. Step 2: Convert to fraction form
    106,340.40/159,510.60 = 67,071.60/x
  3. Step 3: Cross multiply
    106,340.40x = 159,510.60 × 67,071.60
  4. Step 4: Simplify right side
    106,340.40x = 10,698,631,158.96
  5. Step 5: Solve for x
    x = 10,698,631,158.96/106,340.40
  6. Step 6: Final answer
    x = 100,607.40

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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.