Home / 172,262.27-258,430.66-52,309.37

Finding the Fourth Proportional to 172,262.27, 258,430.66 and 52,309.37

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Solution

The fourth proportional to 172,262.27, 258,430.66 and 52,309.37 is: 78,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,262.27 : 258,430.66 = 52,309.37 : x
  2. Step 2: Convert to fraction form
    172,262.27/258,430.66 = 52,309.37/x
  3. Step 3: Cross multiply
    172,262.27x = 258,430.66 × 52,309.37
  4. Step 4: Simplify right side
    172,262.27x = 13,518,345,013.28
  5. Step 5: Solve for x
    x = 13,518,345,013.28/172,262.27
  6. Step 6: Final answer
    x = 78,475.37

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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.