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Finding the Fourth Proportional to 98,152.40, 135,450.32 and 53,440.40

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Solution

The fourth proportional to 98,152.40, 135,450.32 and 53,440.40 is: 73,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,152.40 : 135,450.32 = 53,440.40 : x
  2. Step 2: Convert to fraction form
    98,152.40/135,450.32 = 53,440.40/x
  3. Step 3: Cross multiply
    98,152.40x = 135,450.32 × 53,440.40
  4. Step 4: Simplify right side
    98,152.40x = 7,238,519,280.93
  5. Step 5: Solve for x
    x = 7,238,519,280.93/98,152.40
  6. Step 6: Final answer
    x = 73,747.76

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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.