Home / 146,438.40-219,916.80-113,239.20

Finding the Fourth Proportional to 146,438.40, 219,916.80 and 113,239.20

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Solution

The fourth proportional to 146,438.40, 219,916.80 and 113,239.20 is: 170,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,438.40 : 219,916.80 = 113,239.20 : x
  2. Step 2: Convert to fraction form
    146,438.40/219,916.80 = 113,239.20/x
  3. Step 3: Cross multiply
    146,438.40x = 219,916.80 × 113,239.20
  4. Step 4: Simplify right side
    146,438.40x = 24,903,202,498.56
  5. Step 5: Solve for x
    x = 24,903,202,498.56/146,438.40
  6. Step 6: Final answer
    x = 170,059.24

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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.