Home / 187,653.18-258,947.91-102,756.54

Finding the Fourth Proportional to 187,653.18, 258,947.91 and 102,756.54

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Solution

The fourth proportional to 187,653.18, 258,947.91 and 102,756.54 is: 141,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,653.18 : 258,947.91 = 102,756.54 : x
  2. Step 2: Convert to fraction form
    187,653.18/258,947.91 = 102,756.54/x
  3. Step 3: Cross multiply
    187,653.18x = 258,947.91 × 102,756.54
  4. Step 4: Simplify right side
    187,653.18x = 26,608,591,271.83
  5. Step 5: Solve for x
    x = 26,608,591,271.83/187,653.18
  6. Step 6: Final answer
    x = 141,796.64

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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.