Home / 126,594.32-189,962.76-87,182.96

Finding the Fourth Proportional to 126,594.32, 189,962.76 and 87,182.96

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Solution

The fourth proportional to 126,594.32, 189,962.76 and 87,182.96 is: 130,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,594.32 : 189,962.76 = 87,182.96 : x
  2. Step 2: Convert to fraction form
    126,594.32/189,962.76 = 87,182.96/x
  3. Step 3: Cross multiply
    126,594.32x = 189,962.76 × 87,182.96
  4. Step 4: Simplify right side
    126,594.32x = 16,561,515,706.57
  5. Step 5: Solve for x
    x = 16,561,515,706.57/126,594.32
  6. Step 6: Final answer
    x = 130,823.53

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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.