Home / 126,659.77-189,991.94-42,404.22

Finding the Fourth Proportional to 126,659.77, 189,991.94 and 42,404.22

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Solution

The fourth proportional to 126,659.77, 189,991.94 and 42,404.22 is: 63,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,659.77 : 189,991.94 = 42,404.22 : x
  2. Step 2: Convert to fraction form
    126,659.77/189,991.94 = 42,404.22/x
  3. Step 3: Cross multiply
    126,659.77x = 189,991.94 × 42,404.22
  4. Step 4: Simplify right side
    126,659.77x = 8,056,459,809.97
  5. Step 5: Solve for x
    x = 8,056,459,809.97/126,659.77
  6. Step 6: Final answer
    x = 63,607.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.