Home / 84,485.28-126,622.52-73,930.20

Finding the Fourth Proportional to 84,485.28, 126,622.52 and 73,930.20

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Solution

The fourth proportional to 84,485.28, 126,622.52 and 73,930.20 is: 110,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485.28 : 126,622.52 = 73,930.20 : x
  2. Step 2: Convert to fraction form
    84,485.28/126,622.52 = 73,930.20/x
  3. Step 3: Cross multiply
    84,485.28x = 126,622.52 × 73,930.20
  4. Step 4: Simplify right side
    84,485.28x = 9,361,228,228.10
  5. Step 5: Solve for x
    x = 9,361,228,228.10/84,485.28
  6. Step 6: Final answer
    x = 110,803.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.