Home / 191,007.36-263,596.80-106,128

Finding the Fourth Proportional to 191,007.36, 263,596.80 and 106,128

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Solution

The fourth proportional to 191,007.36, 263,596.80 and 106,128 is: 146,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,007.36 : 263,596.80 = 106,128 : x
  2. Step 2: Convert to fraction form
    191,007.36/263,596.80 = 106,128/x
  3. Step 3: Cross multiply
    191,007.36x = 263,596.80 × 106,128
  4. Step 4: Simplify right side
    191,007.36x = 27,975,001,190.40
  5. Step 5: Solve for x
    x = 27,975,001,190.40/191,007.36
  6. Step 6: Final answer
    x = 146,460.33

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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.