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Finding the Fourth Proportional to 116,752.30, 175,126.65 and 79,219.06

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Solution

The fourth proportional to 116,752.30, 175,126.65 and 79,219.06 is: 118,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,752.30 : 175,126.65 = 79,219.06 : x
  2. Step 2: Convert to fraction form
    116,752.30/175,126.65 = 79,219.06/x
  3. Step 3: Cross multiply
    116,752.30x = 175,126.65 × 79,219.06
  4. Step 4: Simplify right side
    116,752.30x = 13,873,368,593.95
  5. Step 5: Solve for x
    x = 13,873,368,593.95/116,752.30
  6. Step 6: Final answer
    x = 118,827.37

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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.