Home / 110,081.43-151,913.07-59,780.43

Finding the Fourth Proportional to 110,081.43, 151,913.07 and 59,780.43

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Solution

The fourth proportional to 110,081.43, 151,913.07 and 59,780.43 is: 82,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,081.43 : 151,913.07 = 59,780.43 : x
  2. Step 2: Convert to fraction form
    110,081.43/151,913.07 = 59,780.43/x
  3. Step 3: Cross multiply
    110,081.43x = 151,913.07 × 59,780.43
  4. Step 4: Simplify right side
    110,081.43x = 9,081,428,647.22
  5. Step 5: Solve for x
    x = 9,081,428,647.22/110,081.43
  6. Step 6: Final answer
    x = 82,497.37

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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.