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Finding the Fourth Proportional to 176,620.70, 264,931.05 and 101,971.10

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Solution

The fourth proportional to 176,620.70, 264,931.05 and 101,971.10 is: 152,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,620.70 : 264,931.05 = 101,971.10 : x
  2. Step 2: Convert to fraction form
    176,620.70/264,931.05 = 101,971.10/x
  3. Step 3: Cross multiply
    176,620.70x = 264,931.05 × 101,971.10
  4. Step 4: Simplify right side
    176,620.70x = 27,015,310,592.66
  5. Step 5: Solve for x
    x = 27,015,310,592.66/176,620.70
  6. Step 6: Final answer
    x = 152,956.65

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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.