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Finding the Fourth Proportional to 117,108.72, 175,254.48 and 95,802.48

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Solution

The fourth proportional to 117,108.72, 175,254.48 and 95,802.48 is: 143,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,108.72 : 175,254.48 = 95,802.48 : x
  2. Step 2: Convert to fraction form
    117,108.72/175,254.48 = 95,802.48/x
  3. Step 3: Cross multiply
    117,108.72x = 175,254.48 × 95,802.48
  4. Step 4: Simplify right side
    117,108.72x = 16,789,813,815.11
  5. Step 5: Solve for x
    x = 16,789,813,815.11/117,108.72
  6. Step 6: Final answer
    x = 143,369.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.