Home / 114,719.13-158,313.15-63,731.25

Finding the Fourth Proportional to 114,719.13, 158,313.15 and 63,731.25

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Solution

The fourth proportional to 114,719.13, 158,313.15 and 63,731.25 is: 87,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.13 : 158,313.15 = 63,731.25 : x
  2. Step 2: Convert to fraction form
    114,719.13/158,313.15 = 63,731.25/x
  3. Step 3: Cross multiply
    114,719.13x = 158,313.15 × 63,731.25
  4. Step 4: Simplify right side
    114,719.13x = 10,089,494,940.94
  5. Step 5: Solve for x
    x = 10,089,494,940.94/114,719.13
  6. Step 6: Final answer
    x = 87,949.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.