Home / 175,447.92-263,112.30-57,090

Finding the Fourth Proportional to 175,447.92, 263,112.30 and 57,090

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Solution

The fourth proportional to 175,447.92, 263,112.30 and 57,090 is: 85,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,447.92 : 263,112.30 = 57,090 : x
  2. Step 2: Convert to fraction form
    175,447.92/263,112.30 = 57,090/x
  3. Step 3: Cross multiply
    175,447.92x = 263,112.30 × 57,090
  4. Step 4: Simplify right side
    175,447.92x = 15,021,081,207
  5. Step 5: Solve for x
    x = 15,021,081,207/175,447.92
  6. Step 6: Final answer
    x = 85,615.61

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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.