Home / 115,265.40-172,907-44,222.04

Finding the Fourth Proportional to 115,265.40, 172,907 and 44,222.04

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Solution

The fourth proportional to 115,265.40, 172,907 and 44,222.04 is: 66,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.40 : 172,907 = 44,222.04 : x
  2. Step 2: Convert to fraction form
    115,265.40/172,907 = 44,222.04/x
  3. Step 3: Cross multiply
    115,265.40x = 172,907 × 44,222.04
  4. Step 4: Simplify right side
    115,265.40x = 7,646,300,270.28
  5. Step 5: Solve for x
    x = 7,646,300,270.28/115,265.40
  6. Step 6: Final answer
    x = 66,336.47

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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.