Home / 100,725.88-151,020.66-56,383.24

Finding the Fourth Proportional to 100,725.88, 151,020.66 and 56,383.24

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Solution

The fourth proportional to 100,725.88, 151,020.66 and 56,383.24 is: 84,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,725.88 : 151,020.66 = 56,383.24 : x
  2. Step 2: Convert to fraction form
    100,725.88/151,020.66 = 56,383.24/x
  3. Step 3: Cross multiply
    100,725.88x = 151,020.66 × 56,383.24
  4. Step 4: Simplify right side
    100,725.88x = 8,515,034,117.74
  5. Step 5: Solve for x
    x = 8,515,034,117.74/100,725.88
  6. Step 6: Final answer
    x = 84,536.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.