Home / 130,858.98-196,333.44-55,976.10

Finding the Fourth Proportional to 130,858.98, 196,333.44 and 55,976.10

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Solution

The fourth proportional to 130,858.98, 196,333.44 and 55,976.10 is: 83,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,858.98 : 196,333.44 = 55,976.10 : x
  2. Step 2: Convert to fraction form
    130,858.98/196,333.44 = 55,976.10/x
  3. Step 3: Cross multiply
    130,858.98x = 196,333.44 × 55,976.10
  4. Step 4: Simplify right side
    130,858.98x = 10,989,980,270.78
  5. Step 5: Solve for x
    x = 10,989,980,270.78/130,858.98
  6. Step 6: Final answer
    x = 83,983.39

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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.