Home / 191,935.19-264,870.92-107,057.72

Finding the Fourth Proportional to 191,935.19, 264,870.92 and 107,057.72

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Solution

The fourth proportional to 191,935.19, 264,870.92 and 107,057.72 is: 147,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,935.19 : 264,870.92 = 107,057.72 : x
  2. Step 2: Convert to fraction form
    191,935.19/264,870.92 = 107,057.72/x
  3. Step 3: Cross multiply
    191,935.19x = 264,870.92 × 107,057.72
  4. Step 4: Simplify right side
    191,935.19x = 28,356,476,789.50
  5. Step 5: Solve for x
    x = 28,356,476,789.50/191,935.19
  6. Step 6: Final answer
    x = 147,739.85

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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.