Home / 126,007.45-189,016.67-58,602.76

Finding the Fourth Proportional to 126,007.45, 189,016.67 and 58,602.76

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Solution

The fourth proportional to 126,007.45, 189,016.67 and 58,602.76 is: 87,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.45 : 189,016.67 = 58,602.76 : x
  2. Step 2: Convert to fraction form
    126,007.45/189,016.67 = 58,602.76/x
  3. Step 3: Cross multiply
    126,007.45x = 189,016.67 × 58,602.76
  4. Step 4: Simplify right side
    126,007.45x = 11,076,898,221.97
  5. Step 5: Solve for x
    x = 11,076,898,221.97/126,007.45
  6. Step 6: Final answer
    x = 87,906.69

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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.