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Finding the Fourth Proportional to 111,108.32, 166,495.44 and 44,482.40

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Solution

The fourth proportional to 111,108.32, 166,495.44 and 44,482.40 is: 66,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,108.32 : 166,495.44 = 44,482.40 : x
  2. Step 2: Convert to fraction form
    111,108.32/166,495.44 = 44,482.40/x
  3. Step 3: Cross multiply
    111,108.32x = 166,495.44 × 44,482.40
  4. Step 4: Simplify right side
    111,108.32x = 7,406,116,760.26
  5. Step 5: Solve for x
    x = 7,406,116,760.26/111,108.32
  6. Step 6: Final answer
    x = 66,656.73

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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.