Home / 107,365.07-148,081.68-72,936.36

Finding the Fourth Proportional to 107,365.07, 148,081.68 and 72,936.36

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Solution

The fourth proportional to 107,365.07, 148,081.68 and 72,936.36 is: 100,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,365.07 : 148,081.68 = 72,936.36 : x
  2. Step 2: Convert to fraction form
    107,365.07/148,081.68 = 72,936.36/x
  3. Step 3: Cross multiply
    107,365.07x = 148,081.68 × 72,936.36
  4. Step 4: Simplify right side
    107,365.07x = 10,800,538,721.88
  5. Step 5: Solve for x
    x = 10,800,538,721.88/107,365.07
  6. Step 6: Final answer
    x = 100,596.40

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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.