Home / 127,682.10-191,056.56-75,116.34

Finding the Fourth Proportional to 127,682.10, 191,056.56 and 75,116.34

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Solution

The fourth proportional to 127,682.10, 191,056.56 and 75,116.34 is: 112,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.10 : 191,056.56 = 75,116.34 : x
  2. Step 2: Convert to fraction form
    127,682.10/191,056.56 = 75,116.34/x
  3. Step 3: Cross multiply
    127,682.10x = 191,056.56 × 75,116.34
  4. Step 4: Simplify right side
    127,682.10x = 14,351,469,520.19
  5. Step 5: Solve for x
    x = 14,351,469,520.19/127,682.10
  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.