Home / 105,352.86-158,087.61-43,018.50

Finding the Fourth Proportional to 105,352.86, 158,087.61 and 43,018.50

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Solution

The fourth proportional to 105,352.86, 158,087.61 and 43,018.50 is: 64,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352.86 : 158,087.61 = 43,018.50 : x
  2. Step 2: Convert to fraction form
    105,352.86/158,087.61 = 43,018.50/x
  3. Step 3: Cross multiply
    105,352.86x = 158,087.61 × 43,018.50
  4. Step 4: Simplify right side
    105,352.86x = 6,800,691,850.79
  5. Step 5: Solve for x
    x = 6,800,691,850.79/105,352.86
  6. Step 6: Final answer
    x = 64,551.56

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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.