Home / 126,916.56-190,359.99-51,012.06

Finding the Fourth Proportional to 126,916.56, 190,359.99 and 51,012.06

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Solution

The fourth proportional to 126,916.56, 190,359.99 and 51,012.06 is: 76,512.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,916.56 : 190,359.99 = 51,012.06 : x
  2. Step 2: Convert to fraction form
    126,916.56/190,359.99 = 51,012.06/x
  3. Step 3: Cross multiply
    126,916.56x = 190,359.99 × 51,012.06
  4. Step 4: Simplify right side
    126,916.56x = 9,710,655,231.48
  5. Step 5: Solve for x
    x = 9,710,655,231.48/126,916.56
  6. Step 6: Final answer
    x = 76,512.12

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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.