Home / 131,659.44-181,685.53-75,089.04

Finding the Fourth Proportional to 131,659.44, 181,685.53 and 75,089.04

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Solution

The fourth proportional to 131,659.44, 181,685.53 and 75,089.04 is: 103,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.44 : 181,685.53 = 75,089.04 : x
  2. Step 2: Convert to fraction form
    131,659.44/181,685.53 = 75,089.04/x
  3. Step 3: Cross multiply
    131,659.44x = 181,685.53 × 75,089.04
  4. Step 4: Simplify right side
    131,659.44x = 13,642,590,745.72
  5. Step 5: Solve for x
    x = 13,642,590,745.72/131,659.44
  6. Step 6: Final answer
    x = 103,620.30

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1.5x scale

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.