Home / 106,289.70-159,390.81-84,157.26

Finding the Fourth Proportional to 106,289.70, 159,390.81 and 84,157.26

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Solution

The fourth proportional to 106,289.70, 159,390.81 and 84,157.26 is: 126,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,289.70 : 159,390.81 = 84,157.26 : x
  2. Step 2: Convert to fraction form
    106,289.70/159,390.81 = 84,157.26/x
  3. Step 3: Cross multiply
    106,289.70x = 159,390.81 × 84,157.26
  4. Step 4: Simplify right side
    106,289.70x = 13,413,893,838.78
  5. Step 5: Solve for x
    x = 13,413,893,838.78/106,289.70
  6. Step 6: Final answer
    x = 126,201.26

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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.