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Finding the Fourth Proportional to 98,816, 148,239.36 and 33,167.36

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Solution

The fourth proportional to 98,816, 148,239.36 and 33,167.36 is: 49,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,816 : 148,239.36 = 33,167.36 : x
  2. Step 2: Convert to fraction form
    98,816/148,239.36 = 33,167.36/x
  3. Step 3: Cross multiply
    98,816x = 148,239.36 × 33,167.36
  4. Step 4: Simplify right side
    98,816x = 4,916,708,219.29
  5. Step 5: Solve for x
    x = 4,916,708,219.29/98,816
  6. Step 6: Final answer
    x = 49,756.20

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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.