Home / 98,185.72-147,267.55-27,118.46

Finding the Fourth Proportional to 98,185.72, 147,267.55 and 27,118.46

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Solution

The fourth proportional to 98,185.72, 147,267.55 and 27,118.46 is: 40,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.72 : 147,267.55 = 27,118.46 : x
  2. Step 2: Convert to fraction form
    98,185.72/147,267.55 = 27,118.46/x
  3. Step 3: Cross multiply
    98,185.72x = 147,267.55 × 27,118.46
  4. Step 4: Simplify right side
    98,185.72x = 3,993,669,028.38
  5. Step 5: Solve for x
    x = 3,993,669,028.38/98,185.72
  6. Step 6: Final answer
    x = 40,674.64

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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.