Home / 126,027.27-173,920.86-69,438.69

Finding the Fourth Proportional to 126,027.27, 173,920.86 and 69,438.69

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Solution

The fourth proportional to 126,027.27, 173,920.86 and 69,438.69 is: 95,827.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.27 : 173,920.86 = 69,438.69 : x
  2. Step 2: Convert to fraction form
    126,027.27/173,920.86 = 69,438.69/x
  3. Step 3: Cross multiply
    126,027.27x = 173,920.86 × 69,438.69
  4. Step 4: Simplify right side
    126,027.27x = 12,076,836,682.07
  5. Step 5: Solve for x
    x = 12,076,836,682.07/126,027.27
  6. Step 6: Final answer
    x = 95,827.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.