Home / 187,238.25-258,359.87-106,655.54

Finding the Fourth Proportional to 187,238.25, 258,359.87 and 106,655.54

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Solution

The fourth proportional to 187,238.25, 258,359.87 and 106,655.54 is: 147,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,238.25 : 258,359.87 = 106,655.54 : x
  2. Step 2: Convert to fraction form
    187,238.25/258,359.87 = 106,655.54/x
  3. Step 3: Cross multiply
    187,238.25x = 258,359.87 × 106,655.54
  4. Step 4: Simplify right side
    187,238.25x = 27,555,509,624.10
  5. Step 5: Solve for x
    x = 27,555,509,624.10/187,238.25
  6. Step 6: Final answer
    x = 147,168.16

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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.