Home / 126,999.51-190,475.00-63,802.09

Finding the Fourth Proportional to 126,999.51, 190,475.00 and 63,802.09

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Solution

The fourth proportional to 126,999.51, 190,475.00 and 63,802.09 is: 95,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,999.51 : 190,475.00 = 63,802.09 : x
  2. Step 2: Convert to fraction form
    126,999.51/190,475.00 = 63,802.09/x
  3. Step 3: Cross multiply
    126,999.51x = 190,475.00 × 63,802.09
  4. Step 4: Simplify right side
    126,999.51x = 12,152,702,297.55
  5. Step 5: Solve for x
    x = 12,152,702,297.55/126,999.51
  6. Step 6: Final answer
    x = 95,690.94

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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.