Home / 131,664.42-181,700.01-75,081.06

Finding the Fourth Proportional to 131,664.42, 181,700.01 and 75,081.06

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Solution

The fourth proportional to 131,664.42, 181,700.01 and 75,081.06 is: 103,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.42 : 181,700.01 = 75,081.06 : x
  2. Step 2: Convert to fraction form
    131,664.42/181,700.01 = 75,081.06/x
  3. Step 3: Cross multiply
    131,664.42x = 181,700.01 × 75,081.06
  4. Step 4: Simplify right side
    131,664.42x = 13,642,229,352.81
  5. Step 5: Solve for x
    x = 13,642,229,352.81/131,664.42
  6. Step 6: Final answer
    x = 103,613.64

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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.