Home / 115,266.65-172,892.98-43,205.35

Finding the Fourth Proportional to 115,266.65, 172,892.98 and 43,205.35

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Solution

The fourth proportional to 115,266.65, 172,892.98 and 43,205.35 is: 64,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,266.65 : 172,892.98 = 43,205.35 : x
  2. Step 2: Convert to fraction form
    115,266.65/172,892.98 = 43,205.35/x
  3. Step 3: Cross multiply
    115,266.65x = 172,892.98 × 43,205.35
  4. Step 4: Simplify right side
    115,266.65x = 7,469,901,659.39
  5. Step 5: Solve for x
    x = 7,469,901,659.39/115,266.65
  6. Step 6: Final answer
    x = 64,805.41

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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.