Home / 126,160.16-189,236.12-51,258.15

Finding the Fourth Proportional to 126,160.16, 189,236.12 and 51,258.15

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Solution

The fourth proportional to 126,160.16, 189,236.12 and 51,258.15 is: 76,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,160.16 : 189,236.12 = 51,258.15 : x
  2. Step 2: Convert to fraction form
    126,160.16/189,236.12 = 51,258.15/x
  3. Step 3: Cross multiply
    126,160.16x = 189,236.12 × 51,258.15
  4. Step 4: Simplify right side
    126,160.16x = 9,699,893,168.09
  5. Step 5: Solve for x
    x = 9,699,893,168.09/126,160.16
  6. Step 6: Final answer
    x = 76,885.55

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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.