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Finding the Fourth Proportional to 111,264.75, 166,918.05 and 44,710.16

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Solution

The fourth proportional to 111,264.75, 166,918.05 and 44,710.16 is: 67,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,264.75 : 166,918.05 = 44,710.16 : x
  2. Step 2: Convert to fraction form
    111,264.75/166,918.05 = 44,710.16/x
  3. Step 3: Cross multiply
    111,264.75x = 166,918.05 × 44,710.16
  4. Step 4: Simplify right side
    111,264.75x = 7,462,931,887.80
  5. Step 5: Solve for x
    x = 7,462,931,887.80/111,264.75
  6. Step 6: Final answer
    x = 67,073.64

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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.