Home / 126,580.36-174,678.42-69,991.24

Finding the Fourth Proportional to 126,580.36, 174,678.42 and 69,991.24

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Solution

The fourth proportional to 126,580.36, 174,678.42 and 69,991.24 is: 96,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,580.36 : 174,678.42 = 69,991.24 : x
  2. Step 2: Convert to fraction form
    126,580.36/174,678.42 = 69,991.24/x
  3. Step 3: Cross multiply
    126,580.36x = 174,678.42 × 69,991.24
  4. Step 4: Simplify right side
    126,580.36x = 12,225,959,217.04
  5. Step 5: Solve for x
    x = 12,225,959,217.04/126,580.36
  6. Step 6: Final answer
    x = 96,586.54

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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.