Home / 126,807.64-174,994.77-68,665.03

Finding the Fourth Proportional to 126,807.64, 174,994.77 and 68,665.03

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Solution

The fourth proportional to 126,807.64, 174,994.77 and 68,665.03 is: 94,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,807.64 : 174,994.77 = 68,665.03 : x
  2. Step 2: Convert to fraction form
    126,807.64/174,994.77 = 68,665.03/x
  3. Step 3: Cross multiply
    126,807.64x = 174,994.77 × 68,665.03
  4. Step 4: Simplify right side
    126,807.64x = 12,016,021,131.89
  5. Step 5: Solve for x
    x = 12,016,021,131.89/126,807.64
  6. Step 6: Final answer
    x = 94,757.86

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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.