Home / 127,682.09-191,056.57-75,116.33

Finding the Fourth Proportional to 127,682.09, 191,056.57 and 75,116.33

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Solution

The fourth proportional to 127,682.09, 191,056.57 and 75,116.33 is: 112,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.09 : 191,056.57 = 75,116.33 : x
  2. Step 2: Convert to fraction form
    127,682.09/191,056.57 = 75,116.33/x
  3. Step 3: Cross multiply
    127,682.09x = 191,056.57 × 75,116.33
  4. Step 4: Simplify right side
    127,682.09x = 14,351,468,360.79
  5. Step 5: Solve for x
    x = 14,351,468,360.79/127,682.09
  6. Step 6: Final answer
    x = 112,400.01

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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.