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Finding the Fourth Proportional to 111,015.98, 166,446.08 and 40,886.30

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Solution

The fourth proportional to 111,015.98, 166,446.08 and 40,886.30 is: 61,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.98 : 166,446.08 = 40,886.30 : x
  2. Step 2: Convert to fraction form
    111,015.98/166,446.08 = 40,886.30/x
  3. Step 3: Cross multiply
    111,015.98x = 166,446.08 × 40,886.30
  4. Step 4: Simplify right side
    111,015.98x = 6,805,364,360.70
  5. Step 5: Solve for x
    x = 6,805,364,360.70/111,015.98
  6. Step 6: Final answer
    x = 61,300.76

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1.5x scale

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.