Home / 130,202.85-179,696.46-72,845.37

Finding the Fourth Proportional to 130,202.85, 179,696.46 and 72,845.37

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Solution

The fourth proportional to 130,202.85, 179,696.46 and 72,845.37 is: 100,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,202.85 : 179,696.46 = 72,845.37 : x
  2. Step 2: Convert to fraction form
    130,202.85/179,696.46 = 72,845.37/x
  3. Step 3: Cross multiply
    130,202.85x = 179,696.46 × 72,845.37
  4. Step 4: Simplify right side
    130,202.85x = 13,090,055,116.39
  5. Step 5: Solve for x
    x = 13,090,055,116.39/130,202.85
  6. Step 6: Final answer
    x = 100,535.86

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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.