Home / 131,212.51-181,087.83-73,853.57

Finding the Fourth Proportional to 131,212.51, 181,087.83 and 73,853.57

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Solution

The fourth proportional to 131,212.51, 181,087.83 and 73,853.57 is: 101,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,212.51 : 181,087.83 = 73,853.57 : x
  2. Step 2: Convert to fraction form
    131,212.51/181,087.83 = 73,853.57/x
  3. Step 3: Cross multiply
    131,212.51x = 181,087.83 × 73,853.57
  4. Step 4: Simplify right side
    131,212.51x = 13,373,983,181.77
  5. Step 5: Solve for x
    x = 13,373,983,181.77/131,212.51
  6. Step 6: Final answer
    x = 101,926.13

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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.