Home / 115,988.98-173,940.79-40,068.21

Finding the Fourth Proportional to 115,988.98, 173,940.79 and 40,068.21

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Solution

The fourth proportional to 115,988.98, 173,940.79 and 40,068.21 is: 60,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988.98 : 173,940.79 = 40,068.21 : x
  2. Step 2: Convert to fraction form
    115,988.98/173,940.79 = 40,068.21/x
  3. Step 3: Cross multiply
    115,988.98x = 173,940.79 × 40,068.21
  4. Step 4: Simplify right side
    115,988.98x = 6,969,495,231.58
  5. Step 5: Solve for x
    x = 6,969,495,231.58/115,988.98
  6. Step 6: Final answer
    x = 60,087.56

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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.