Home / 108,964.20-163,407.90-38,845.80

Finding the Fourth Proportional to 108,964.20, 163,407.90 and 38,845.80

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Solution

The fourth proportional to 108,964.20, 163,407.90 and 38,845.80 is: 58,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,964.20 : 163,407.90 = 38,845.80 : x
  2. Step 2: Convert to fraction form
    108,964.20/163,407.90 = 38,845.80/x
  3. Step 3: Cross multiply
    108,964.20x = 163,407.90 × 38,845.80
  4. Step 4: Simplify right side
    108,964.20x = 6,347,710,601.82
  5. Step 5: Solve for x
    x = 6,347,710,601.82/108,964.20
  6. Step 6: Final answer
    x = 58,255.01

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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.