Home / 131,559.71-181,635.41-91,259.37

Finding the Fourth Proportional to 131,559.71, 181,635.41 and 91,259.37

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Solution

The fourth proportional to 131,559.71, 181,635.41 and 91,259.37 is: 125,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.71 : 181,635.41 = 91,259.37 : x
  2. Step 2: Convert to fraction form
    131,559.71/181,635.41 = 91,259.37/x
  3. Step 3: Cross multiply
    131,559.71x = 181,635.41 × 91,259.37
  4. Step 4: Simplify right side
    131,559.71x = 16,575,932,629.99
  5. Step 5: Solve for x
    x = 16,575,932,629.99/131,559.71
  6. Step 6: Final answer
    x = 125,995.51

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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.