Home / 100,001.97-138,033.60-57,589.29

Finding the Fourth Proportional to 100,001.97, 138,033.60 and 57,589.29

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Solution

The fourth proportional to 100,001.97, 138,033.60 and 57,589.29 is: 79,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,001.97 : 138,033.60 = 57,589.29 : x
  2. Step 2: Convert to fraction form
    100,001.97/138,033.60 = 57,589.29/x
  3. Step 3: Cross multiply
    100,001.97x = 138,033.60 × 57,589.29
  4. Step 4: Simplify right side
    100,001.97x = 7,949,257,020.14
  5. Step 5: Solve for x
    x = 7,949,257,020.14/100,001.97
  6. Step 6: Final answer
    x = 79,491.00

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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.