Home / 73,186.56-109,779.30-20,595.69

Finding the Fourth Proportional to 73,186.56, 109,779.30 and 20,595.69

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Solution

The fourth proportional to 73,186.56, 109,779.30 and 20,595.69 is: 30,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,186.56 : 109,779.30 = 20,595.69 : x
  2. Step 2: Convert to fraction form
    73,186.56/109,779.30 = 20,595.69/x
  3. Step 3: Cross multiply
    73,186.56x = 109,779.30 × 20,595.69
  4. Step 4: Simplify right side
    73,186.56x = 2,260,980,431.22
  5. Step 5: Solve for x
    x = 2,260,980,431.22/73,186.56
  6. Step 6: Final answer
    x = 30,893.38

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1.5x scale

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.