Home / 100,936.70-151,405.05-98,863.10

Finding the Fourth Proportional to 100,936.70, 151,405.05 and 98,863.10

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Solution

The fourth proportional to 100,936.70, 151,405.05 and 98,863.10 is: 148,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,936.70 : 151,405.05 = 98,863.10 : x
  2. Step 2: Convert to fraction form
    100,936.70/151,405.05 = 98,863.10/x
  3. Step 3: Cross multiply
    100,936.70x = 151,405.05 × 98,863.10
  4. Step 4: Simplify right side
    100,936.70x = 14,968,372,598.66
  5. Step 5: Solve for x
    x = 14,968,372,598.66/100,936.70
  6. Step 6: Final answer
    x = 148,294.65

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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.