Home / 126,383.78-174,410.46-69,021.62

Finding the Fourth Proportional to 126,383.78, 174,410.46 and 69,021.62

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Solution

The fourth proportional to 126,383.78, 174,410.46 and 69,021.62 is: 95,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.78 : 174,410.46 = 69,021.62 : x
  2. Step 2: Convert to fraction form
    126,383.78/174,410.46 = 69,021.62/x
  3. Step 3: Cross multiply
    126,383.78x = 174,410.46 × 69,021.62
  4. Step 4: Simplify right side
    126,383.78x = 12,038,092,494.15
  5. Step 5: Solve for x
    x = 12,038,092,494.15/126,383.78
  6. Step 6: Final answer
    x = 95,250.30

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1.5x scale

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.