Home / 126,722.82-174,885.69-70,134.18

Finding the Fourth Proportional to 126,722.82, 174,885.69 and 70,134.18

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Solution

The fourth proportional to 126,722.82, 174,885.69 and 70,134.18 is: 96,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.82 : 174,885.69 = 70,134.18 : x
  2. Step 2: Convert to fraction form
    126,722.82/174,885.69 = 70,134.18/x
  3. Step 3: Cross multiply
    126,722.82x = 174,885.69 × 70,134.18
  4. Step 4: Simplify right side
    126,722.82x = 12,265,464,461.88
  5. Step 5: Solve for x
    x = 12,265,464,461.88/126,722.82
  6. Step 6: Final answer
    x = 96,789.71

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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.