Home / 191,990.60-264,947.14-107,107.66

Finding the Fourth Proportional to 191,990.60, 264,947.14 and 107,107.66

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Solution

The fourth proportional to 191,990.60, 264,947.14 and 107,107.66 is: 147,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,990.60 : 264,947.14 = 107,107.66 : x
  2. Step 2: Convert to fraction form
    191,990.60/264,947.14 = 107,107.66/x
  3. Step 3: Cross multiply
    191,990.60x = 264,947.14 × 107,107.66
  4. Step 4: Simplify right side
    191,990.60x = 28,377,868,189.09
  5. Step 5: Solve for x
    x = 28,377,868,189.09/191,990.60
  6. Step 6: Final answer
    x = 147,808.63

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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.