Home / 108,293.20-162,439.80-103,627.60

Finding the Fourth Proportional to 108,293.20, 162,439.80 and 103,627.60

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Solution

The fourth proportional to 108,293.20, 162,439.80 and 103,627.60 is: 155,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,293.20 : 162,439.80 = 103,627.60 : x
  2. Step 2: Convert to fraction form
    108,293.20/162,439.80 = 103,627.60/x
  3. Step 3: Cross multiply
    108,293.20x = 162,439.80 × 103,627.60
  4. Step 4: Simplify right side
    108,293.20x = 16,833,246,618.48
  5. Step 5: Solve for x
    x = 16,833,246,618.48/108,293.20
  6. Step 6: Final answer
    x = 155,441.40

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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.