Home / 345,916.14-518,889.75-106,012.46

Finding the Fourth Proportional to 345,916.14, 518,889.75 and 106,012.46

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Solution

The fourth proportional to 345,916.14, 518,889.75 and 106,012.46 is: 159,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,916.14 : 518,889.75 = 106,012.46 : x
  2. Step 2: Convert to fraction form
    345,916.14/518,889.75 = 106,012.46/x
  3. Step 3: Cross multiply
    345,916.14x = 518,889.75 × 106,012.46
  4. Step 4: Simplify right side
    345,916.14x = 55,008,779,765.96
  5. Step 5: Solve for x
    x = 55,008,779,765.96/345,916.14
  6. Step 6: Final answer
    x = 159,023.46

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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.