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Finding the Fourth Proportional to 98,684.68, 148,034.72 and 35,513.04

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Solution

The fourth proportional to 98,684.68, 148,034.72 and 35,513.04 is: 53,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,684.68 : 148,034.72 = 35,513.04 : x
  2. Step 2: Convert to fraction form
    98,684.68/148,034.72 = 35,513.04/x
  3. Step 3: Cross multiply
    98,684.68x = 148,034.72 × 35,513.04
  4. Step 4: Simplify right side
    98,684.68x = 5,257,162,932.75
  5. Step 5: Solve for x
    x = 5,257,162,932.75/98,684.68
  6. Step 6: Final answer
    x = 53,272.33

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Why These Related Problems?

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