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Finding the Fourth Proportional to 117,066.39, 175,446.48 and 46,994.91

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Solution

The fourth proportional to 117,066.39, 175,446.48 and 46,994.91 is: 70,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,066.39 : 175,446.48 = 46,994.91 : x
  2. Step 2: Convert to fraction form
    117,066.39/175,446.48 = 46,994.91/x
  3. Step 3: Cross multiply
    117,066.39x = 175,446.48 × 46,994.91
  4. Step 4: Simplify right side
    117,066.39x = 8,245,091,537.42
  5. Step 5: Solve for x
    x = 8,245,091,537.42/117,066.39
  6. Step 6: Final answer
    x = 70,430.90

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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.