Home / 131,356.71-181,259.19-73,994.43

Finding the Fourth Proportional to 131,356.71, 181,259.19 and 73,994.43

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Solution

The fourth proportional to 131,356.71, 181,259.19 and 73,994.43 is: 102,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,356.71 : 181,259.19 = 73,994.43 : x
  2. Step 2: Convert to fraction form
    131,356.71/181,259.19 = 73,994.43/x
  3. Step 3: Cross multiply
    131,356.71x = 181,259.19 × 73,994.43
  4. Step 4: Simplify right side
    131,356.71x = 13,412,170,446.31
  5. Step 5: Solve for x
    x = 13,412,170,446.31/131,356.71
  6. Step 6: Final answer
    x = 102,104.95

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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.