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Finding the Fourth Proportional to 184,393.29, 254,470.58 and 102,721.45

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Solution

The fourth proportional to 184,393.29, 254,470.58 and 102,721.45 is: 141,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,393.29 : 254,470.58 = 102,721.45 : x
  2. Step 2: Convert to fraction form
    184,393.29/254,470.58 = 102,721.45/x
  3. Step 3: Cross multiply
    184,393.29x = 254,470.58 × 102,721.45
  4. Step 4: Simplify right side
    184,393.29x = 26,139,586,580.57
  5. Step 5: Solve for x
    x = 26,139,586,580.57/184,393.29
  6. Step 6: Final answer
    x = 141,759.97

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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.