Home / 126,280.20-174,261.18-68,918.04

Finding the Fourth Proportional to 126,280.20, 174,261.18 and 68,918.04

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Solution

The fourth proportional to 126,280.20, 174,261.18 and 68,918.04 is: 95,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,280.20 : 174,261.18 = 68,918.04 : x
  2. Step 2: Convert to fraction form
    126,280.20/174,261.18 = 68,918.04/x
  3. Step 3: Cross multiply
    126,280.20x = 174,261.18 × 68,918.04
  4. Step 4: Simplify right side
    126,280.20x = 12,009,738,973.69
  5. Step 5: Solve for x
    x = 12,009,738,973.69/126,280.20
  6. Step 6: Final answer
    x = 95,103.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.