Home / 87,194.94-120,332.97-51,386.46

Finding the Fourth Proportional to 87,194.94, 120,332.97 and 51,386.46

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Solution

The fourth proportional to 87,194.94, 120,332.97 and 51,386.46 is: 70,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.94 : 120,332.97 = 51,386.46 : x
  2. Step 2: Convert to fraction form
    87,194.94/120,332.97 = 51,386.46/x
  3. Step 3: Cross multiply
    87,194.94x = 120,332.97 × 51,386.46
  4. Step 4: Simplify right side
    87,194.94x = 6,183,485,349.59
  5. Step 5: Solve for x
    x = 6,183,485,349.59/87,194.94
  6. Step 6: Final answer
    x = 70,915.64

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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.