Home / 108,069.20-162,199.80-63,640.40

Finding the Fourth Proportional to 108,069.20, 162,199.80 and 63,640.40

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Solution

The fourth proportional to 108,069.20, 162,199.80 and 63,640.40 is: 95,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,069.20 : 162,199.80 = 63,640.40 : x
  2. Step 2: Convert to fraction form
    108,069.20/162,199.80 = 63,640.40/x
  3. Step 3: Cross multiply
    108,069.20x = 162,199.80 × 63,640.40
  4. Step 4: Simplify right side
    108,069.20x = 10,322,460,151.92
  5. Step 5: Solve for x
    x = 10,322,460,151.92/108,069.20
  6. Step 6: Final answer
    x = 95,517.13

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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.