Home / 144,819.04-199,858.56-81,177.60

Finding the Fourth Proportional to 144,819.04, 199,858.56 and 81,177.60

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Solution

The fourth proportional to 144,819.04, 199,858.56 and 81,177.60 is: 112,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,819.04 : 199,858.56 = 81,177.60 : x
  2. Step 2: Convert to fraction form
    144,819.04/199,858.56 = 81,177.60/x
  3. Step 3: Cross multiply
    144,819.04x = 199,858.56 × 81,177.60
  4. Step 4: Simplify right side
    144,819.04x = 16,224,038,240.26
  5. Step 5: Solve for x
    x = 16,224,038,240.26/144,819.04
  6. Step 6: Final answer
    x = 112,029.73

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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.