Home / 131,659.94-181,686.22-75,089.54

Finding the Fourth Proportional to 131,659.94, 181,686.22 and 75,089.54

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Solution

The fourth proportional to 131,659.94, 181,686.22 and 75,089.54 is: 103,621.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.94 : 181,686.22 = 75,089.54 : x
  2. Step 2: Convert to fraction form
    131,659.94/181,686.22 = 75,089.54/x
  3. Step 3: Cross multiply
    131,659.94x = 181,686.22 × 75,089.54
  4. Step 4: Simplify right side
    131,659.94x = 13,642,734,684.14
  5. Step 5: Solve for x
    x = 13,642,734,684.14/131,659.94
  6. Step 6: Final answer
    x = 103,621.00

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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.