Home / 197,505.36-296,188-71,111.70

Finding the Fourth Proportional to 197,505.36, 296,188 and 71,111.70

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Solution

The fourth proportional to 197,505.36, 296,188 and 71,111.70 is: 106,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,505.36 : 296,188 = 71,111.70 : x
  2. Step 2: Convert to fraction form
    197,505.36/296,188 = 71,111.70/x
  3. Step 3: Cross multiply
    197,505.36x = 296,188 × 71,111.70
  4. Step 4: Simplify right side
    197,505.36x = 21,062,432,199.60
  5. Step 5: Solve for x
    x = 21,062,432,199.60/197,505.36
  6. Step 6: Final answer
    x = 106,642.33

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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.