Home / 139,945.48-209,917.44-34,764.40

Finding the Fourth Proportional to 139,945.48, 209,917.44 and 34,764.40

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Solution

The fourth proportional to 139,945.48, 209,917.44 and 34,764.40 is: 52,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,945.48 : 209,917.44 = 34,764.40 : x
  2. Step 2: Convert to fraction form
    139,945.48/209,917.44 = 34,764.40/x
  3. Step 3: Cross multiply
    139,945.48x = 209,917.44 × 34,764.40
  4. Step 4: Simplify right side
    139,945.48x = 7,297,653,851.14
  5. Step 5: Solve for x
    x = 7,297,653,851.14/139,945.48
  6. Step 6: Final answer
    x = 52,146.41

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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.