Home / 126,087.23-174,010.82-72,382.64

Finding the Fourth Proportional to 126,087.23, 174,010.82 and 72,382.64

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Solution

The fourth proportional to 126,087.23, 174,010.82 and 72,382.64 is: 99,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,087.23 : 174,010.82 = 72,382.64 : x
  2. Step 2: Convert to fraction form
    126,087.23/174,010.82 = 72,382.64/x
  3. Step 3: Cross multiply
    126,087.23x = 174,010.82 × 72,382.64
  4. Step 4: Simplify right side
    126,087.23x = 12,595,361,308.20
  5. Step 5: Solve for x
    x = 12,595,361,308.20/126,087.23
  6. Step 6: Final answer
    x = 99,894.03

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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.