Home / 155,720.24-214,893.91-84,100.27

Finding the Fourth Proportional to 155,720.24, 214,893.91 and 84,100.27

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Solution

The fourth proportional to 155,720.24, 214,893.91 and 84,100.27 is: 116,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,720.24 : 214,893.91 = 84,100.27 : x
  2. Step 2: Convert to fraction form
    155,720.24/214,893.91 = 84,100.27/x
  3. Step 3: Cross multiply
    155,720.24x = 214,893.91 × 84,100.27
  4. Step 4: Simplify right side
    155,720.24x = 18,072,635,852.36
  5. Step 5: Solve for x
    x = 18,072,635,852.36/155,720.24
  6. Step 6: Final answer
    x = 116,058.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.