Home / 130,745.10-195,945.32-51,816.26

Finding the Fourth Proportional to 130,745.10, 195,945.32 and 51,816.26

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Solution

The fourth proportional to 130,745.10, 195,945.32 and 51,816.26 is: 77,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,745.10 : 195,945.32 = 51,816.26 : x
  2. Step 2: Convert to fraction form
    130,745.10/195,945.32 = 51,816.26/x
  3. Step 3: Cross multiply
    130,745.10x = 195,945.32 × 51,816.26
  4. Step 4: Simplify right side
    130,745.10x = 10,153,153,646.90
  5. Step 5: Solve for x
    x = 10,153,153,646.90/130,745.10
  6. Step 6: Final answer
    x = 77,656.09

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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.