Home / 111,019.03-166,549.05-35,136.64

Finding the Fourth Proportional to 111,019.03, 166,549.05 and 35,136.64

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Solution

The fourth proportional to 111,019.03, 166,549.05 and 35,136.64 is: 52,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019.03 : 166,549.05 = 35,136.64 : x
  2. Step 2: Convert to fraction form
    111,019.03/166,549.05 = 35,136.64/x
  3. Step 3: Cross multiply
    111,019.03x = 166,549.05 × 35,136.64
  4. Step 4: Simplify right side
    111,019.03x = 5,851,974,012.19
  5. Step 5: Solve for x
    x = 5,851,974,012.19/111,019.03
  6. Step 6: Final answer
    x = 52,711.45

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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.