Home / 130,285.80-195,428.70-36,791.55

Finding the Fourth Proportional to 130,285.80, 195,428.70 and 36,791.55

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Solution

The fourth proportional to 130,285.80, 195,428.70 and 36,791.55 is: 55,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,285.80 : 195,428.70 = 36,791.55 : x
  2. Step 2: Convert to fraction form
    130,285.80/195,428.70 = 36,791.55/x
  3. Step 3: Cross multiply
    130,285.80x = 195,428.70 × 36,791.55
  4. Step 4: Simplify right side
    130,285.80x = 7,190,124,787.49
  5. Step 5: Solve for x
    x = 7,190,124,787.49/130,285.80
  6. Step 6: Final answer
    x = 55,187.33

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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.