Home / 87,206.94-120,349.56-51,398.46

Finding the Fourth Proportional to 87,206.94, 120,349.56 and 51,398.46

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Solution

The fourth proportional to 87,206.94, 120,349.56 and 51,398.46 is: 70,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,206.94 : 120,349.56 = 51,398.46 : x
  2. Step 2: Convert to fraction form
    87,206.94/120,349.56 = 51,398.46/x
  3. Step 3: Cross multiply
    87,206.94x = 120,349.56 × 51,398.46
  4. Step 4: Simplify right side
    87,206.94x = 6,185,782,045.68
  5. Step 5: Solve for x
    x = 6,185,782,045.68/87,206.94
  6. Step 6: Final answer
    x = 70,932.22

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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.