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Finding the Fourth Proportional to 186,100.53, 279,056.48 and 79,467.88

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Solution

The fourth proportional to 186,100.53, 279,056.48 and 79,467.88 is: 119,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,100.53 : 279,056.48 = 79,467.88 : x
  2. Step 2: Convert to fraction form
    186,100.53/279,056.48 = 79,467.88/x
  3. Step 3: Cross multiply
    186,100.53x = 279,056.48 × 79,467.88
  4. Step 4: Simplify right side
    186,100.53x = 22,176,026,865.86
  5. Step 5: Solve for x
    x = 22,176,026,865.86/186,100.53
  6. Step 6: Final answer
    x = 119,161.55

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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.