Home / 145,632.56-200,960.14-81,096.93

Finding the Fourth Proportional to 145,632.56, 200,960.14 and 81,096.93

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Solution

The fourth proportional to 145,632.56, 200,960.14 and 81,096.93 is: 111,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,632.56 : 200,960.14 = 81,096.93 : x
  2. Step 2: Convert to fraction form
    145,632.56/200,960.14 = 81,096.93/x
  3. Step 3: Cross multiply
    145,632.56x = 200,960.14 × 81,096.93
  4. Step 4: Simplify right side
    145,632.56x = 16,297,250,018.57
  5. Step 5: Solve for x
    x = 16,297,250,018.57/145,632.56
  6. Step 6: Final answer
    x = 111,906.63

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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.