Home / 126,856.95-190,377.77-102,194.88

Finding the Fourth Proportional to 126,856.95, 190,377.77 and 102,194.88

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Solution

The fourth proportional to 126,856.95, 190,377.77 and 102,194.88 is: 153,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,856.95 : 190,377.77 = 102,194.88 : x
  2. Step 2: Convert to fraction form
    126,856.95/190,377.77 = 102,194.88/x
  3. Step 3: Cross multiply
    126,856.95x = 190,377.77 × 102,194.88
  4. Step 4: Simplify right side
    126,856.95x = 19,455,632,848.84
  5. Step 5: Solve for x
    x = 19,455,632,848.84/126,856.95
  6. Step 6: Final answer
    x = 153,366.71

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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.