Home / 100,196.92-149,411.23-99,297.06

Finding the Fourth Proportional to 100,196.92, 149,411.23 and 99,297.06

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Solution

The fourth proportional to 100,196.92, 149,411.23 and 99,297.06 is: 148,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,196.92 : 149,411.23 = 99,297.06 : x
  2. Step 2: Convert to fraction form
    100,196.92/149,411.23 = 99,297.06/x
  3. Step 3: Cross multiply
    100,196.92x = 149,411.23 × 99,297.06
  4. Step 4: Simplify right side
    100,196.92x = 14,836,094,626.44
  5. Step 5: Solve for x
    x = 14,836,094,626.44/100,196.92
  6. Step 6: Final answer
    x = 148,069.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.