Home / 100,175.27-150,287.21-30,054.59

Finding the Fourth Proportional to 100,175.27, 150,287.21 and 30,054.59

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Solution

The fourth proportional to 100,175.27, 150,287.21 and 30,054.59 is: 45,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,175.27 : 150,287.21 = 30,054.59 : x
  2. Step 2: Convert to fraction form
    100,175.27/150,287.21 = 30,054.59/x
  3. Step 3: Cross multiply
    100,175.27x = 150,287.21 × 30,054.59
  4. Step 4: Simplify right side
    100,175.27x = 4,516,819,802.49
  5. Step 5: Solve for x
    x = 4,516,819,802.49/100,175.27
  6. Step 6: Final answer
    x = 45,089.17

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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.