Home / 98,148.78-147,112.82-49,982.24

Finding the Fourth Proportional to 98,148.78, 147,112.82 and 49,982.24

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Solution

The fourth proportional to 98,148.78, 147,112.82 and 49,982.24 is: 74,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,148.78 : 147,112.82 = 49,982.24 : x
  2. Step 2: Convert to fraction form
    98,148.78/147,112.82 = 49,982.24/x
  3. Step 3: Cross multiply
    98,148.78x = 147,112.82 × 49,982.24
  4. Step 4: Simplify right side
    98,148.78x = 7,353,028,276.32
  5. Step 5: Solve for x
    x = 7,353,028,276.32/98,148.78
  6. Step 6: Final answer
    x = 74,917.16

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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.