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Finding the Fourth Proportional to 99,096.84, 148,626.69 and 45,786.60

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Solution

The fourth proportional to 99,096.84, 148,626.69 and 45,786.60 is: 68,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,096.84 : 148,626.69 = 45,786.60 : x
  2. Step 2: Convert to fraction form
    99,096.84/148,626.69 = 45,786.60/x
  3. Step 3: Cross multiply
    99,096.84x = 148,626.69 × 45,786.60
  4. Step 4: Simplify right side
    99,096.84x = 6,805,110,804.35
  5. Step 5: Solve for x
    x = 6,805,110,804.35/99,096.84
  6. Step 6: Final answer
    x = 68,671.32

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1.5x scale

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.