Home / 131,580.19-197,382.79-36,810.39

Finding the Fourth Proportional to 131,580.19, 197,382.79 and 36,810.39

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Solution

The fourth proportional to 131,580.19, 197,382.79 and 36,810.39 is: 55,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,580.19 : 197,382.79 = 36,810.39 : x
  2. Step 2: Convert to fraction form
    131,580.19/197,382.79 = 36,810.39/x
  3. Step 3: Cross multiply
    131,580.19x = 197,382.79 × 36,810.39
  4. Step 4: Simplify right side
    131,580.19x = 7,265,738,265.39
  5. Step 5: Solve for x
    x = 7,265,738,265.39/131,580.19
  6. Step 6: Final answer
    x = 55,219.09

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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.