Home / 131,855.64-181,784.58-109,110.84

Finding the Fourth Proportional to 131,855.64, 181,784.58 and 109,110.84

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Solution

The fourth proportional to 131,855.64, 181,784.58 and 109,110.84 is: 150,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.64 : 181,784.58 = 109,110.84 : x
  2. Step 2: Convert to fraction form
    131,855.64/181,784.58 = 109,110.84/x
  3. Step 3: Cross multiply
    131,855.64x = 181,784.58 × 109,110.84
  4. Step 4: Simplify right side
    131,855.64x = 19,834,668,222.85
  5. Step 5: Solve for x
    x = 19,834,668,222.85/131,855.64
  6. Step 6: Final answer
    x = 150,427.15

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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.