Home / 126,970.82-190,432.14-63,774.02

Finding the Fourth Proportional to 126,970.82, 190,432.14 and 63,774.02

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Solution

The fourth proportional to 126,970.82, 190,432.14 and 63,774.02 is: 95,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,970.82 : 190,432.14 = 63,774.02 : x
  2. Step 2: Convert to fraction form
    126,970.82/190,432.14 = 63,774.02/x
  3. Step 3: Cross multiply
    126,970.82x = 190,432.14 × 63,774.02
  4. Step 4: Simplify right side
    126,970.82x = 12,144,623,105.00
  5. Step 5: Solve for x
    x = 12,144,623,105.00/126,970.82
  6. Step 6: Final answer
    x = 95,648.93

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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.