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Finding the Fourth Proportional to 169,770.96, 234,279.72 and 94,319.64

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Solution

The fourth proportional to 169,770.96, 234,279.72 and 94,319.64 is: 130,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,770.96 : 234,279.72 = 94,319.64 : x
  2. Step 2: Convert to fraction form
    169,770.96/234,279.72 = 94,319.64/x
  3. Step 3: Cross multiply
    169,770.96x = 234,279.72 × 94,319.64
  4. Step 4: Simplify right side
    169,770.96x = 22,097,178,849.70
  5. Step 5: Solve for x
    x = 22,097,178,849.70/169,770.96
  6. Step 6: Final answer
    x = 130,158.77

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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.