Home / 84,996.36-127,550.70-84,339.72

Finding the Fourth Proportional to 84,996.36, 127,550.70 and 84,339.72

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Solution

The fourth proportional to 84,996.36, 127,550.70 and 84,339.72 is: 126,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,996.36 : 127,550.70 = 84,339.72 : x
  2. Step 2: Convert to fraction form
    84,996.36/127,550.70 = 84,339.72/x
  3. Step 3: Cross multiply
    84,996.36x = 127,550.70 × 84,339.72
  4. Step 4: Simplify right side
    84,996.36x = 10,757,590,323.80
  5. Step 5: Solve for x
    x = 10,757,590,323.80/84,996.36
  6. Step 6: Final answer
    x = 126,565.31

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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.