Home / 139,568.04-209,358.90-39,735.24

Finding the Fourth Proportional to 139,568.04, 209,358.90 and 39,735.24

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Solution

The fourth proportional to 139,568.04, 209,358.90 and 39,735.24 is: 59,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,568.04 : 209,358.90 = 39,735.24 : x
  2. Step 2: Convert to fraction form
    139,568.04/209,358.90 = 39,735.24/x
  3. Step 3: Cross multiply
    139,568.04x = 209,358.90 × 39,735.24
  4. Step 4: Simplify right side
    139,568.04x = 8,318,926,137.64
  5. Step 5: Solve for x
    x = 8,318,926,137.64/139,568.04
  6. Step 6: Final answer
    x = 59,604.81

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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.