Home / 126,778.01-189,893.61-119,325.43

Finding the Fourth Proportional to 126,778.01, 189,893.61 and 119,325.43

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Solution

The fourth proportional to 126,778.01, 189,893.61 and 119,325.43 is: 178,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,778.01 : 189,893.61 = 119,325.43 : x
  2. Step 2: Convert to fraction form
    126,778.01/189,893.61 = 119,325.43/x
  3. Step 3: Cross multiply
    126,778.01x = 189,893.61 × 119,325.43
  4. Step 4: Simplify right side
    126,778.01x = 22,659,136,192.77
  5. Step 5: Solve for x
    x = 22,659,136,192.77/126,778.01
  6. Step 6: Final answer
    x = 178,730.82

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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.