Home / 126,914.04-190,662.66-89,559.96

Finding the Fourth Proportional to 126,914.04, 190,662.66 and 89,559.96

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Solution

The fourth proportional to 126,914.04, 190,662.66 and 89,559.96 is: 134,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.04 : 190,662.66 = 89,559.96 : x
  2. Step 2: Convert to fraction form
    126,914.04/190,662.66 = 89,559.96/x
  3. Step 3: Cross multiply
    126,914.04x = 190,662.66 × 89,559.96
  4. Step 4: Simplify right side
    126,914.04x = 17,075,740,203.09
  5. Step 5: Solve for x
    x = 17,075,740,203.09/126,914.04
  6. Step 6: Final answer
    x = 134,545.71

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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.