Home / 197,686.76-296,485.66-90,968.34

Finding the Fourth Proportional to 197,686.76, 296,485.66 and 90,968.34

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Solution

The fourth proportional to 197,686.76, 296,485.66 and 90,968.34 is: 136,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,686.76 : 296,485.66 = 90,968.34 : x
  2. Step 2: Convert to fraction form
    197,686.76/296,485.66 = 90,968.34/x
  3. Step 3: Cross multiply
    197,686.76x = 296,485.66 × 90,968.34
  4. Step 4: Simplify right side
    197,686.76x = 26,970,808,324.00
  5. Step 5: Solve for x
    x = 26,970,808,324.00/197,686.76
  6. Step 6: Final answer
    x = 136,432.04

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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.