Home / 100,532.66-150,569.26-47,979.06

Finding the Fourth Proportional to 100,532.66, 150,569.26 and 47,979.06

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Solution

The fourth proportional to 100,532.66, 150,569.26 and 47,979.06 is: 71,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,532.66 : 150,569.26 = 47,979.06 : x
  2. Step 2: Convert to fraction form
    100,532.66/150,569.26 = 47,979.06/x
  3. Step 3: Cross multiply
    100,532.66x = 150,569.26 × 47,979.06
  4. Step 4: Simplify right side
    100,532.66x = 7,224,171,559.70
  5. Step 5: Solve for x
    x = 7,224,171,559.70/100,532.66
  6. Step 6: Final answer
    x = 71,858.95

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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.