Home / 134,705.68-201,999.96-38,621.73

Finding the Fourth Proportional to 134,705.68, 201,999.96 and 38,621.73

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Solution

The fourth proportional to 134,705.68, 201,999.96 and 38,621.73 is: 57,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,705.68 : 201,999.96 = 38,621.73 : x
  2. Step 2: Convert to fraction form
    134,705.68/201,999.96 = 38,621.73/x
  3. Step 3: Cross multiply
    134,705.68x = 201,999.96 × 38,621.73
  4. Step 4: Simplify right side
    134,705.68x = 7,801,588,551.50
  5. Step 5: Solve for x
    x = 7,801,588,551.50/134,705.68
  6. Step 6: Final answer
    x = 57,915.81

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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.