Home / 94,420.54-130,301.22-51,979.78

Finding the Fourth Proportional to 94,420.54, 130,301.22 and 51,979.78

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Solution

The fourth proportional to 94,420.54, 130,301.22 and 51,979.78 is: 71,732.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,420.54 : 130,301.22 = 51,979.78 : x
  2. Step 2: Convert to fraction form
    94,420.54/130,301.22 = 51,979.78/x
  3. Step 3: Cross multiply
    94,420.54x = 130,301.22 × 51,979.78
  4. Step 4: Simplify right side
    94,420.54x = 6,773,028,749.33
  5. Step 5: Solve for x
    x = 6,773,028,749.33/94,420.54
  6. Step 6: Final answer
    x = 71,732.58

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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.