Home / 100,664.29-150,964.08-44,503.12

Finding the Fourth Proportional to 100,664.29, 150,964.08 and 44,503.12

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Solution

The fourth proportional to 100,664.29, 150,964.08 and 44,503.12 is: 66,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,664.29 : 150,964.08 = 44,503.12 : x
  2. Step 2: Convert to fraction form
    100,664.29/150,964.08 = 44,503.12/x
  3. Step 3: Cross multiply
    100,664.29x = 150,964.08 × 44,503.12
  4. Step 4: Simplify right side
    100,664.29x = 6,718,372,567.93
  5. Step 5: Solve for x
    x = 6,718,372,567.93/100,664.29
  6. Step 6: Final answer
    x = 66,740.38

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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.