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Finding the Fourth Proportional to 160,216.94, 221,100.81 and 88,601.78

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Solution

The fourth proportional to 160,216.94, 221,100.81 and 88,601.78 is: 122,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,216.94 : 221,100.81 = 88,601.78 : x
  2. Step 2: Convert to fraction form
    160,216.94/221,100.81 = 88,601.78/x
  3. Step 3: Cross multiply
    160,216.94x = 221,100.81 × 88,601.78
  4. Step 4: Simplify right side
    160,216.94x = 19,589,925,325.44
  5. Step 5: Solve for x
    x = 19,589,925,325.44/160,216.94
  6. Step 6: Final answer
    x = 122,271.25

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1.5x scale

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.