Home / 131,683.44-197,531.55-42,936.81

Finding the Fourth Proportional to 131,683.44, 197,531.55 and 42,936.81

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Solution

The fourth proportional to 131,683.44, 197,531.55 and 42,936.81 is: 64,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,683.44 : 197,531.55 = 42,936.81 : x
  2. Step 2: Convert to fraction form
    131,683.44/197,531.55 = 42,936.81/x
  3. Step 3: Cross multiply
    131,683.44x = 197,531.55 × 42,936.81
  4. Step 4: Simplify right side
    131,683.44x = 8,481,374,631.36
  5. Step 5: Solve for x
    x = 8,481,374,631.36/131,683.44
  6. Step 6: Final answer
    x = 64,407.30

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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.