Home / 127,315.92-190,974.42-43,076.76

Finding the Fourth Proportional to 127,315.92, 190,974.42 and 43,076.76

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Solution

The fourth proportional to 127,315.92, 190,974.42 and 43,076.76 is: 64,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315.92 : 190,974.42 = 43,076.76 : x
  2. Step 2: Convert to fraction form
    127,315.92/190,974.42 = 43,076.76/x
  3. Step 3: Cross multiply
    127,315.92x = 190,974.42 × 43,076.76
  4. Step 4: Simplify right side
    127,315.92x = 8,226,559,256.48
  5. Step 5: Solve for x
    x = 8,226,559,256.48/127,315.92
  6. Step 6: Final answer
    x = 64,615.32

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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.