Home / 108,842.60-163,205.40-38,712.80

Finding the Fourth Proportional to 108,842.60, 163,205.40 and 38,712.80

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Solution

The fourth proportional to 108,842.60, 163,205.40 and 38,712.80 is: 58,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,842.60 : 163,205.40 = 38,712.80 : x
  2. Step 2: Convert to fraction form
    108,842.60/163,205.40 = 38,712.80/x
  3. Step 3: Cross multiply
    108,842.60x = 163,205.40 × 38,712.80
  4. Step 4: Simplify right side
    108,842.60x = 6,318,138,009.12
  5. Step 5: Solve for x
    x = 6,318,138,009.12/108,842.60
  6. Step 6: Final answer
    x = 58,048.39

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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.