Home / 111,106.12-166,614.30-40,969.80

Finding the Fourth Proportional to 111,106.12, 166,614.30 and 40,969.80

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Solution

The fourth proportional to 111,106.12, 166,614.30 and 40,969.80 is: 61,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,106.12 : 166,614.30 = 40,969.80 : x
  2. Step 2: Convert to fraction form
    111,106.12/166,614.30 = 40,969.80/x
  3. Step 3: Cross multiply
    111,106.12x = 166,614.30 × 40,969.80
  4. Step 4: Simplify right side
    111,106.12x = 6,826,154,548.14
  5. Step 5: Solve for x
    x = 6,826,154,548.14/111,106.12
  6. Step 6: Final answer
    x = 61,438.15

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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.