Home / 105,203.76-145,161.94-59,879.06

Finding the Fourth Proportional to 105,203.76, 145,161.94 and 59,879.06

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Solution

The fourth proportional to 105,203.76, 145,161.94 and 59,879.06 is: 82,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,203.76 : 145,161.94 = 59,879.06 : x
  2. Step 2: Convert to fraction form
    105,203.76/145,161.94 = 59,879.06/x
  3. Step 3: Cross multiply
    105,203.76x = 145,161.94 × 59,879.06
  4. Step 4: Simplify right side
    105,203.76x = 8,692,160,514.98
  5. Step 5: Solve for x
    x = 8,692,160,514.98/105,203.76
  6. Step 6: Final answer
    x = 82,622.15

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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.