Home / 108,966.20-163,410.90-38,847.80

Finding the Fourth Proportional to 108,966.20, 163,410.90 and 38,847.80

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Solution

The fourth proportional to 108,966.20, 163,410.90 and 38,847.80 is: 58,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,966.20 : 163,410.90 = 38,847.80 : x
  2. Step 2: Convert to fraction form
    108,966.20/163,410.90 = 38,847.80/x
  3. Step 3: Cross multiply
    108,966.20x = 163,410.90 × 38,847.80
  4. Step 4: Simplify right side
    108,966.20x = 6,348,153,961.02
  5. Step 5: Solve for x
    x = 6,348,153,961.02/108,966.20
  6. Step 6: Final answer
    x = 58,258.01

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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.