Home / 191,949.75-264,878.64-105,909.75

Finding the Fourth Proportional to 191,949.75, 264,878.64 and 105,909.75

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Solution

The fourth proportional to 191,949.75, 264,878.64 and 105,909.75 is: 146,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,949.75 : 264,878.64 = 105,909.75 : x
  2. Step 2: Convert to fraction form
    191,949.75/264,878.64 = 105,909.75/x
  3. Step 3: Cross multiply
    191,949.75x = 264,878.64 × 105,909.75
  4. Step 4: Simplify right side
    191,949.75x = 28,053,230,542.74
  5. Step 5: Solve for x
    x = 28,053,230,542.74/191,949.75
  6. Step 6: Final answer
    x = 146,148.83

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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.