Home / 191,890.80-264,739.32-120,273.84

Finding the Fourth Proportional to 191,890.80, 264,739.32 and 120,273.84

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Solution

The fourth proportional to 191,890.80, 264,739.32 and 120,273.84 is: 165,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,890.80 : 264,739.32 = 120,273.84 : x
  2. Step 2: Convert to fraction form
    191,890.80/264,739.32 = 120,273.84/x
  3. Step 3: Cross multiply
    191,890.80x = 264,739.32 × 120,273.84
  4. Step 4: Simplify right side
    191,890.80x = 31,841,214,615.39
  5. Step 5: Solve for x
    x = 31,841,214,615.39/191,890.80
  6. Step 6: Final answer
    x = 165,934.03

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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.