Home / 100,159.36-150,229.26-26,287.36

Finding the Fourth Proportional to 100,159.36, 150,229.26 and 26,287.36

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Solution

The fourth proportional to 100,159.36, 150,229.26 and 26,287.36 is: 39,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,159.36 : 150,229.26 = 26,287.36 : x
  2. Step 2: Convert to fraction form
    100,159.36/150,229.26 = 26,287.36/x
  3. Step 3: Cross multiply
    100,159.36x = 150,229.26 × 26,287.36
  4. Step 4: Simplify right side
    100,159.36x = 3,949,130,640.15
  5. Step 5: Solve for x
    x = 3,949,130,640.15/100,159.36
  6. Step 6: Final answer
    x = 39,428.47

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1.5x scale

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.