Home / 127,340.36-191,048.73-51,399.82

Finding the Fourth Proportional to 127,340.36, 191,048.73 and 51,399.82

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Solution

The fourth proportional to 127,340.36, 191,048.73 and 51,399.82 is: 77,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.36 : 191,048.73 = 51,399.82 : x
  2. Step 2: Convert to fraction form
    127,340.36/191,048.73 = 51,399.82/x
  3. Step 3: Cross multiply
    127,340.36x = 191,048.73 × 51,399.82
  4. Step 4: Simplify right side
    127,340.36x = 9,819,870,333.23
  5. Step 5: Solve for x
    x = 9,819,870,333.23/127,340.36
  6. Step 6: Final answer
    x = 77,115.15

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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.