Home / 98,521.32-147,840.86-36,198.12

Finding the Fourth Proportional to 98,521.32, 147,840.86 and 36,198.12

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Solution

The fourth proportional to 98,521.32, 147,840.86 and 36,198.12 is: 54,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,521.32 : 147,840.86 = 36,198.12 : x
  2. Step 2: Convert to fraction form
    98,521.32/147,840.86 = 36,198.12/x
  3. Step 3: Cross multiply
    98,521.32x = 147,840.86 × 36,198.12
  4. Step 4: Simplify right side
    98,521.32x = 5,351,561,191.18
  5. Step 5: Solve for x
    x = 5,351,561,191.18/98,521.32
  6. Step 6: Final answer
    x = 54,318.81

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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.