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Finding the Fourth Proportional to 117,340.78, 175,675.74 and 109,892.22

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Solution

The fourth proportional to 117,340.78, 175,675.74 and 109,892.22 is: 164,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.78 : 175,675.74 = 109,892.22 : x
  2. Step 2: Convert to fraction form
    117,340.78/175,675.74 = 109,892.22/x
  3. Step 3: Cross multiply
    117,340.78x = 175,675.74 × 109,892.22
  4. Step 4: Simplify right side
    117,340.78x = 19,305,397,068.74
  5. Step 5: Solve for x
    x = 19,305,397,068.74/117,340.78
  6. Step 6: Final answer
    x = 164,524.19

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1.5x scale

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.