Home / 123,914.24-185,871.63-30,420.26

Finding the Fourth Proportional to 123,914.24, 185,871.63 and 30,420.26

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Solution

The fourth proportional to 123,914.24, 185,871.63 and 30,420.26 is: 45,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,914.24 : 185,871.63 = 30,420.26 : x
  2. Step 2: Convert to fraction form
    123,914.24/185,871.63 = 30,420.26/x
  3. Step 3: Cross multiply
    123,914.24x = 185,871.63 × 30,420.26
  4. Step 4: Simplify right side
    123,914.24x = 5,654,263,311.22
  5. Step 5: Solve for x
    x = 5,654,263,311.22/123,914.24
  6. Step 6: Final answer
    x = 45,630.46

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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.