Home / 125,979.90-173,852.50-68,619.04

Finding the Fourth Proportional to 125,979.90, 173,852.50 and 68,619.04

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Solution

The fourth proportional to 125,979.90, 173,852.50 and 68,619.04 is: 94,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,979.90 : 173,852.50 = 68,619.04 : x
  2. Step 2: Convert to fraction form
    125,979.90/173,852.50 = 68,619.04/x
  3. Step 3: Cross multiply
    125,979.90x = 173,852.50 × 68,619.04
  4. Step 4: Simplify right side
    125,979.90x = 11,929,591,983.92
  5. Step 5: Solve for x
    x = 11,929,591,983.92/125,979.90
  6. Step 6: Final answer
    x = 94,694.41

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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.