Home / 98,272.36-147,382.98-28,135.27

Finding the Fourth Proportional to 98,272.36, 147,382.98 and 28,135.27

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Solution

The fourth proportional to 98,272.36, 147,382.98 and 28,135.27 is: 42,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,272.36 : 147,382.98 = 28,135.27 : x
  2. Step 2: Convert to fraction form
    98,272.36/147,382.98 = 28,135.27/x
  3. Step 3: Cross multiply
    98,272.36x = 147,382.98 × 28,135.27
  4. Step 4: Simplify right side
    98,272.36x = 4,146,659,935.70
  5. Step 5: Solve for x
    x = 4,146,659,935.70/98,272.36
  6. Step 6: Final answer
    x = 42,195.59

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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.