Home / 122,411.19-168,928.70-67,964.25

Finding the Fourth Proportional to 122,411.19, 168,928.70 and 67,964.25

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Solution

The fourth proportional to 122,411.19, 168,928.70 and 67,964.25 is: 93,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,411.19 : 168,928.70 = 67,964.25 : x
  2. Step 2: Convert to fraction form
    122,411.19/168,928.70 = 67,964.25/x
  3. Step 3: Cross multiply
    122,411.19x = 168,928.70 × 67,964.25
  4. Step 4: Simplify right side
    122,411.19x = 11,481,112,059.15
  5. Step 5: Solve for x
    x = 11,481,112,059.15/122,411.19
  6. Step 6: Final answer
    x = 93,791.36

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1.5x scale

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.