Home / 101,111.26-151,539.30-51,203.92

Finding the Fourth Proportional to 101,111.26, 151,539.30 and 51,203.92

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Solution

The fourth proportional to 101,111.26, 151,539.30 and 51,203.92 is: 76,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,111.26 : 151,539.30 = 51,203.92 : x
  2. Step 2: Convert to fraction form
    101,111.26/151,539.30 = 51,203.92/x
  3. Step 3: Cross multiply
    101,111.26x = 151,539.30 × 51,203.92
  4. Step 4: Simplify right side
    101,111.26x = 7,759,406,194.06
  5. Step 5: Solve for x
    x = 7,759,406,194.06/101,111.26
  6. Step 6: Final answer
    x = 76,741.27

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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.