Home / 187,235.28-258,321.60-106,605.77

Finding the Fourth Proportional to 187,235.28, 258,321.60 and 106,605.77

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Solution

The fourth proportional to 187,235.28, 258,321.60 and 106,605.77 is: 147,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,235.28 : 258,321.60 = 106,605.77 : x
  2. Step 2: Convert to fraction form
    187,235.28/258,321.60 = 106,605.77/x
  3. Step 3: Cross multiply
    187,235.28x = 258,321.60 × 106,605.77
  4. Step 4: Simplify right side
    187,235.28x = 27,538,571,784.02
  5. Step 5: Solve for x
    x = 27,538,571,784.02/187,235.28
  6. Step 6: Final answer
    x = 147,080.04

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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.