Home / 187,844.08-259,223.36-102,960.96

Finding the Fourth Proportional to 187,844.08, 259,223.36 and 102,960.96

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Solution

The fourth proportional to 187,844.08, 259,223.36 and 102,960.96 is: 142,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,844.08 : 259,223.36 = 102,960.96 : x
  2. Step 2: Convert to fraction form
    187,844.08/259,223.36 = 102,960.96/x
  3. Step 3: Cross multiply
    187,844.08x = 259,223.36 × 102,960.96
  4. Step 4: Simplify right side
    187,844.08x = 26,689,886,000.03
  5. Step 5: Solve for x
    x = 26,689,886,000.03/187,844.08
  6. Step 6: Final answer
    x = 142,085.32

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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.