Home / 113,964.44-157,205.16-68,610.92

Finding the Fourth Proportional to 113,964.44, 157,205.16 and 68,610.92

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Solution

The fourth proportional to 113,964.44, 157,205.16 and 68,610.92 is: 94,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,964.44 : 157,205.16 = 68,610.92 : x
  2. Step 2: Convert to fraction form
    113,964.44/157,205.16 = 68,610.92/x
  3. Step 3: Cross multiply
    113,964.44x = 157,205.16 × 68,610.92
  4. Step 4: Simplify right side
    113,964.44x = 10,785,990,656.35
  5. Step 5: Solve for x
    x = 10,785,990,656.35/113,964.44
  6. Step 6: Final answer
    x = 94,643.48

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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.