Home / 127,975.36-191,682.24-105,535.84

Finding the Fourth Proportional to 127,975.36, 191,682.24 and 105,535.84

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Solution

The fourth proportional to 127,975.36, 191,682.24 and 105,535.84 is: 158,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,975.36 : 191,682.24 = 105,535.84 : x
  2. Step 2: Convert to fraction form
    127,975.36/191,682.24 = 105,535.84/x
  3. Step 3: Cross multiply
    127,975.36x = 191,682.24 × 105,535.84
  4. Step 4: Simplify right side
    127,975.36x = 20,229,346,211.48
  5. Step 5: Solve for x
    x = 20,229,346,211.48/127,975.36
  6. Step 6: Final answer
    x = 158,072.20

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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.