Home / 126,218.89-174,179.26-69,630.25

Finding the Fourth Proportional to 126,218.89, 174,179.26 and 69,630.25

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Solution

The fourth proportional to 126,218.89, 174,179.26 and 69,630.25 is: 96,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,218.89 : 174,179.26 = 69,630.25 : x
  2. Step 2: Convert to fraction form
    126,218.89/174,179.26 = 69,630.25/x
  3. Step 3: Cross multiply
    126,218.89x = 174,179.26 × 69,630.25
  4. Step 4: Simplify right side
    126,218.89x = 12,128,145,418.62
  5. Step 5: Solve for x
    x = 12,128,145,418.62/126,218.89
  6. Step 6: Final answer
    x = 96,088.20

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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.