Home / 139,995.18-209,993.56-34,814.16

Finding the Fourth Proportional to 139,995.18, 209,993.56 and 34,814.16

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Solution

The fourth proportional to 139,995.18, 209,993.56 and 34,814.16 is: 52,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,995.18 : 209,993.56 = 34,814.16 : x
  2. Step 2: Convert to fraction form
    139,995.18/209,993.56 = 34,814.16/x
  3. Step 3: Cross multiply
    139,995.18x = 209,993.56 × 34,814.16
  4. Step 4: Simplify right side
    139,995.18x = 7,310,749,396.81
  5. Step 5: Solve for x
    x = 7,310,749,396.81/139,995.18
  6. Step 6: Final answer
    x = 52,221.44

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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.