Home / 131,809.06-181,896.51-71,379.71

Finding the Fourth Proportional to 131,809.06, 181,896.51 and 71,379.71

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Solution

The fourth proportional to 131,809.06, 181,896.51 and 71,379.71 is: 98,504.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,809.06 : 181,896.51 = 71,379.71 : x
  2. Step 2: Convert to fraction form
    131,809.06/181,896.51 = 71,379.71/x
  3. Step 3: Cross multiply
    131,809.06x = 181,896.51 × 71,379.71
  4. Step 4: Simplify right side
    131,809.06x = 12,983,719,224.33
  5. Step 5: Solve for x
    x = 12,983,719,224.33/131,809.06
  6. Step 6: Final answer
    x = 98,504.00

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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.