Home / 126,249.81-174,241.40-80,313.93

Finding the Fourth Proportional to 126,249.81, 174,241.40 and 80,313.93

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Solution

The fourth proportional to 126,249.81, 174,241.40 and 80,313.93 is: 110,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249.81 : 174,241.40 = 80,313.93 : x
  2. Step 2: Convert to fraction form
    126,249.81/174,241.40 = 80,313.93/x
  3. Step 3: Cross multiply
    126,249.81x = 174,241.40 × 80,313.93
  4. Step 4: Simplify right side
    126,249.81x = 13,994,011,602.70
  5. Step 5: Solve for x
    x = 13,994,011,602.70/126,249.81
  6. Step 6: Final answer
    x = 110,843.82

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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.