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Finding the Fourth Proportional to 111,017.60, 166,468.80 and 40,860.80

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Solution

The fourth proportional to 111,017.60, 166,468.80 and 40,860.80 is: 61,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,017.60 : 166,468.80 = 40,860.80 : x
  2. Step 2: Convert to fraction form
    111,017.60/166,468.80 = 40,860.80/x
  3. Step 3: Cross multiply
    111,017.60x = 166,468.80 × 40,860.80
  4. Step 4: Simplify right side
    111,017.60x = 6,802,048,343.04
  5. Step 5: Solve for x
    x = 6,802,048,343.04/111,017.60
  6. Step 6: Final answer
    x = 61,270.00

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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.