Home / 126,810.88-190,237.92-63,661.12

Finding the Fourth Proportional to 126,810.88, 190,237.92 and 63,661.12

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Solution

The fourth proportional to 126,810.88, 190,237.92 and 63,661.12 is: 95,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.88 : 190,237.92 = 63,661.12 : x
  2. Step 2: Convert to fraction form
    126,810.88/190,237.92 = 63,661.12/x
  3. Step 3: Cross multiply
    126,810.88x = 190,237.92 × 63,661.12
  4. Step 4: Simplify right side
    126,810.88x = 12,110,759,053.67
  5. Step 5: Solve for x
    x = 12,110,759,053.67/126,810.88
  6. Step 6: Final answer
    x = 95,502.52

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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.