Home / 125,445.07-173,112.73-68,084.48

Finding the Fourth Proportional to 125,445.07, 173,112.73 and 68,084.48

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Solution

The fourth proportional to 125,445.07, 173,112.73 and 68,084.48 is: 93,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,445.07 : 173,112.73 = 68,084.48 : x
  2. Step 2: Convert to fraction form
    125,445.07/173,112.73 = 68,084.48/x
  3. Step 3: Cross multiply
    125,445.07x = 173,112.73 × 68,084.48
  4. Step 4: Simplify right side
    125,445.07x = 11,786,290,466.00
  5. Step 5: Solve for x
    x = 11,786,290,466.00/125,445.07
  6. Step 6: Final answer
    x = 93,955.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.