Home / 126,141.50-189,211.75-41,907.98

Finding the Fourth Proportional to 126,141.50, 189,211.75 and 41,907.98

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Solution

The fourth proportional to 126,141.50, 189,211.75 and 41,907.98 is: 62,861.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.50 : 189,211.75 = 41,907.98 : x
  2. Step 2: Convert to fraction form
    126,141.50/189,211.75 = 41,907.98/x
  3. Step 3: Cross multiply
    126,141.50x = 189,211.75 × 41,907.98
  4. Step 4: Simplify right side
    126,141.50x = 7,929,482,603.02
  5. Step 5: Solve for x
    x = 7,929,482,603.02/126,141.50
  6. Step 6: Final answer
    x = 62,861.81

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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.