Home / 131,901.38-197,911.76-51,917.32

Finding the Fourth Proportional to 131,901.38, 197,911.76 and 51,917.32

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Solution

The fourth proportional to 131,901.38, 197,911.76 and 51,917.32 is: 77,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.38 : 197,911.76 = 51,917.32 : x
  2. Step 2: Convert to fraction form
    131,901.38/197,911.76 = 51,917.32/x
  3. Step 3: Cross multiply
    131,901.38x = 197,911.76 × 51,917.32
  4. Step 4: Simplify right side
    131,901.38x = 10,275,047,421.32
  5. Step 5: Solve for x
    x = 10,275,047,421.32/131,901.38
  6. Step 6: Final answer
    x = 77,899.47

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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.