Home / 97,949.36-135,169.44-53,237.36

Finding the Fourth Proportional to 97,949.36, 135,169.44 and 53,237.36

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Solution

The fourth proportional to 97,949.36, 135,169.44 and 53,237.36 is: 73,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,949.36 : 135,169.44 = 53,237.36 : x
  2. Step 2: Convert to fraction form
    97,949.36/135,169.44 = 53,237.36/x
  3. Step 3: Cross multiply
    97,949.36x = 135,169.44 × 53,237.36
  4. Step 4: Simplify right side
    97,949.36x = 7,196,064,138.28
  5. Step 5: Solve for x
    x = 7,196,064,138.28/97,949.36
  6. Step 6: Final answer
    x = 73,467.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.