Home / 108,601.20-163,047.60-69,235.20

Finding the Fourth Proportional to 108,601.20, 163,047.60 and 69,235.20

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Solution

The fourth proportional to 108,601.20, 163,047.60 and 69,235.20 is: 103,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,601.20 : 163,047.60 = 69,235.20 : x
  2. Step 2: Convert to fraction form
    108,601.20/163,047.60 = 69,235.20/x
  3. Step 3: Cross multiply
    108,601.20x = 163,047.60 × 69,235.20
  4. Step 4: Simplify right side
    108,601.20x = 11,288,633,195.52
  5. Step 5: Solve for x
    x = 11,288,633,195.52/108,601.20
  6. Step 6: Final answer
    x = 103,945.75

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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.