Home / 84,930.28-117,184.74-51,395.56

Finding the Fourth Proportional to 84,930.28, 117,184.74 and 51,395.56

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Solution

The fourth proportional to 84,930.28, 117,184.74 and 51,395.56 is: 70,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,930.28 : 117,184.74 = 51,395.56 : x
  2. Step 2: Convert to fraction form
    84,930.28/117,184.74 = 51,395.56/x
  3. Step 3: Cross multiply
    84,930.28x = 117,184.74 × 51,395.56
  4. Step 4: Simplify right side
    84,930.28x = 6,022,775,335.75
  5. Step 5: Solve for x
    x = 6,022,775,335.75/84,930.28
  6. Step 6: Final answer
    x = 70,914.35

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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.