Home / 103,157.04-154,743.80-43,993.24

Finding the Fourth Proportional to 103,157.04, 154,743.80 and 43,993.24

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Solution

The fourth proportional to 103,157.04, 154,743.80 and 43,993.24 is: 65,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,157.04 : 154,743.80 = 43,993.24 : x
  2. Step 2: Convert to fraction form
    103,157.04/154,743.80 = 43,993.24/x
  3. Step 3: Cross multiply
    103,157.04x = 154,743.80 × 43,993.24
  4. Step 4: Simplify right side
    103,157.04x = 6,807,681,131.91
  5. Step 5: Solve for x
    x = 6,807,681,131.91/103,157.04
  6. Step 6: Final answer
    x = 65,993.37

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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.