Home / 100,759.07-151,133.13-30,632.92

Finding the Fourth Proportional to 100,759.07, 151,133.13 and 30,632.92

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Solution

The fourth proportional to 100,759.07, 151,133.13 and 30,632.92 is: 45,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,759.07 : 151,133.13 = 30,632.92 : x
  2. Step 2: Convert to fraction form
    100,759.07/151,133.13 = 30,632.92/x
  3. Step 3: Cross multiply
    100,759.07x = 151,133.13 × 30,632.92
  4. Step 4: Simplify right side
    100,759.07x = 4,629,648,702.81
  5. Step 5: Solve for x
    x = 4,629,648,702.81/100,759.07
  6. Step 6: Final answer
    x = 45,947.71

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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.