Home / 126,090.96-174,004.40-68,730.30

Finding the Fourth Proportional to 126,090.96, 174,004.40 and 68,730.30

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Solution

The fourth proportional to 126,090.96, 174,004.40 and 68,730.30 is: 94,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.96 : 174,004.40 = 68,730.30 : x
  2. Step 2: Convert to fraction form
    126,090.96/174,004.40 = 68,730.30/x
  3. Step 3: Cross multiply
    126,090.96x = 174,004.40 × 68,730.30
  4. Step 4: Simplify right side
    126,090.96x = 11,959,374,613.32
  5. Step 5: Solve for x
    x = 11,959,374,613.32/126,090.96
  6. Step 6: Final answer
    x = 94,847.20

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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.