Home / 115,327.60-171,844.97-102,751

Finding the Fourth Proportional to 115,327.60, 171,844.97 and 102,751

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Solution

The fourth proportional to 115,327.60, 171,844.97 and 102,751 is: 153,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.60 : 171,844.97 = 102,751 : x
  2. Step 2: Convert to fraction form
    115,327.60/171,844.97 = 102,751/x
  3. Step 3: Cross multiply
    115,327.60x = 171,844.97 × 102,751
  4. Step 4: Simplify right side
    115,327.60x = 17,657,242,512.47
  5. Step 5: Solve for x
    x = 17,657,242,512.47/115,327.60
  6. Step 6: Final answer
    x = 153,105.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.