Home / 115,289.54-171,788.26-102,712.94

Finding the Fourth Proportional to 115,289.54, 171,788.26 and 102,712.94

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Solution

The fourth proportional to 115,289.54, 171,788.26 and 102,712.94 is: 153,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,289.54 : 171,788.26 = 102,712.94 : x
  2. Step 2: Convert to fraction form
    115,289.54/171,788.26 = 102,712.94/x
  3. Step 3: Cross multiply
    115,289.54x = 171,788.26 × 102,712.94
  4. Step 4: Simplify right side
    115,289.54x = 17,644,877,242.08
  5. Step 5: Solve for x
    x = 17,644,877,242.08/115,289.54
  6. Step 6: Final answer
    x = 153,048.38

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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.