Home / 187,533.20-258,785.80-102,633.84

Finding the Fourth Proportional to 187,533.20, 258,785.80 and 102,633.84

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Solution

The fourth proportional to 187,533.20, 258,785.80 and 102,633.84 is: 141,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,533.20 : 258,785.80 = 102,633.84 : x
  2. Step 2: Convert to fraction form
    187,533.20/258,785.80 = 102,633.84/x
  3. Step 3: Cross multiply
    187,533.20x = 258,785.80 × 102,633.84
  4. Step 4: Simplify right side
    187,533.20x = 26,560,180,391.47
  5. Step 5: Solve for x
    x = 26,560,180,391.47/187,533.20
  6. Step 6: Final answer
    x = 141,629.22

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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.