Home / 101,800.26-140,485.23-56,481.24

Finding the Fourth Proportional to 101,800.26, 140,485.23 and 56,481.24

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Solution

The fourth proportional to 101,800.26, 140,485.23 and 56,481.24 is: 77,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,800.26 : 140,485.23 = 56,481.24 : x
  2. Step 2: Convert to fraction form
    101,800.26/140,485.23 = 56,481.24/x
  3. Step 3: Cross multiply
    101,800.26x = 140,485.23 × 56,481.24
  4. Step 4: Simplify right side
    101,800.26x = 7,934,779,992.09
  5. Step 5: Solve for x
    x = 7,934,779,992.09/101,800.26
  6. Step 6: Final answer
    x = 77,944.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.