Home / 126,053.64-189,108.60-54,987.84

Finding the Fourth Proportional to 126,053.64, 189,108.60 and 54,987.84

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Solution

The fourth proportional to 126,053.64, 189,108.60 and 54,987.84 is: 82,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,053.64 : 189,108.60 = 54,987.84 : x
  2. Step 2: Convert to fraction form
    126,053.64/189,108.60 = 54,987.84/x
  3. Step 3: Cross multiply
    126,053.64x = 189,108.60 × 54,987.84
  4. Step 4: Simplify right side
    126,053.64x = 10,398,673,439.42
  5. Step 5: Solve for x
    x = 10,398,673,439.42/126,053.64
  6. Step 6: Final answer
    x = 82,494.04

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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.