Home / 115,935.78-160,004.22-64,956.84

Finding the Fourth Proportional to 115,935.78, 160,004.22 and 64,956.84

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Solution

The fourth proportional to 115,935.78, 160,004.22 and 64,956.84 is: 89,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,935.78 : 160,004.22 = 64,956.84 : x
  2. Step 2: Convert to fraction form
    115,935.78/160,004.22 = 64,956.84/x
  3. Step 3: Cross multiply
    115,935.78x = 160,004.22 × 64,956.84
  4. Step 4: Simplify right side
    115,935.78x = 10,393,368,517.86
  5. Step 5: Solve for x
    x = 10,393,368,517.86/115,935.78
  6. Step 6: Final answer
    x = 89,647.64

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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.