Home / 133,098.15-199,647.23-39,603.90

Finding the Fourth Proportional to 133,098.15, 199,647.23 and 39,603.90

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Solution

The fourth proportional to 133,098.15, 199,647.23 and 39,603.90 is: 59,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,098.15 : 199,647.23 = 39,603.90 : x
  2. Step 2: Convert to fraction form
    133,098.15/199,647.23 = 39,603.90/x
  3. Step 3: Cross multiply
    133,098.15x = 199,647.23 × 39,603.90
  4. Step 4: Simplify right side
    133,098.15x = 7,906,808,734.18
  5. Step 5: Solve for x
    x = 7,906,808,734.18/133,098.15
  6. Step 6: Final answer
    x = 59,405.85

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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.