Home / 187,652.30-258,923.79-107,077.82

Finding the Fourth Proportional to 187,652.30, 258,923.79 and 107,077.82

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Solution

The fourth proportional to 187,652.30, 258,923.79 and 107,077.82 is: 147,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,652.30 : 258,923.79 = 107,077.82 : x
  2. Step 2: Convert to fraction form
    187,652.30/258,923.79 = 107,077.82/x
  3. Step 3: Cross multiply
    187,652.30x = 258,923.79 × 107,077.82
  4. Step 4: Simplify right side
    187,652.30x = 27,724,993,684.72
  5. Step 5: Solve for x
    x = 27,724,993,684.72/187,652.30
  6. Step 6: Final answer
    x = 147,746.63

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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.