Home / 139,462.75-209,226.93-45,968.50

Finding the Fourth Proportional to 139,462.75, 209,226.93 and 45,968.50

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Solution

The fourth proportional to 139,462.75, 209,226.93 and 45,968.50 is: 68,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462.75 : 209,226.93 = 45,968.50 : x
  2. Step 2: Convert to fraction form
    139,462.75/209,226.93 = 45,968.50/x
  3. Step 3: Cross multiply
    139,462.75x = 209,226.93 × 45,968.50
  4. Step 4: Simplify right side
    139,462.75x = 9,617,848,131.71
  5. Step 5: Solve for x
    x = 9,617,848,131.71/139,462.75
  6. Step 6: Final answer
    x = 68,963.56

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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.