Home / 137,122.36-189,229.30-76,694.04

Finding the Fourth Proportional to 137,122.36, 189,229.30 and 76,694.04

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Solution

The fourth proportional to 137,122.36, 189,229.30 and 76,694.04 is: 105,838.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,122.36 : 189,229.30 = 76,694.04 : x
  2. Step 2: Convert to fraction form
    137,122.36/189,229.30 = 76,694.04/x
  3. Step 3: Cross multiply
    137,122.36x = 189,229.30 × 76,694.04
  4. Step 4: Simplify right side
    137,122.36x = 14,512,759,503.37
  5. Step 5: Solve for x
    x = 14,512,759,503.37/137,122.36
  6. Step 6: Final answer
    x = 105,838.02

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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.