Home / 133,237.52-199,856.64-39,741.20

Finding the Fourth Proportional to 133,237.52, 199,856.64 and 39,741.20

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Solution

The fourth proportional to 133,237.52, 199,856.64 and 39,741.20 is: 59,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.52 : 199,856.64 = 39,741.20 : x
  2. Step 2: Convert to fraction form
    133,237.52/199,856.64 = 39,741.20/x
  3. Step 3: Cross multiply
    133,237.52x = 199,856.64 × 39,741.20
  4. Step 4: Simplify right side
    133,237.52x = 7,942,542,701.57
  5. Step 5: Solve for x
    x = 7,942,542,701.57/133,237.52
  6. Step 6: Final answer
    x = 59,611.91

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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.