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Finding the Fourth Proportional to 173,963.89, 239,536.33 and 152,329.87

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Solution

The fourth proportional to 173,963.89, 239,536.33 and 152,329.87 is: 209,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,963.89 : 239,536.33 = 152,329.87 : x
  2. Step 2: Convert to fraction form
    173,963.89/239,536.33 = 152,329.87/x
  3. Step 3: Cross multiply
    173,963.89x = 239,536.33 × 152,329.87
  4. Step 4: Simplify right side
    173,963.89x = 36,488,538,009.18
  5. Step 5: Solve for x
    x = 36,488,538,009.18/173,963.89
  6. Step 6: Final answer
    x = 209,747.77

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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.