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Finding the Fourth Proportional to 176,172.95, 264,173.31 and 122,890.46

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Solution

The fourth proportional to 176,172.95, 264,173.31 and 122,890.46 is: 184,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.95 : 264,173.31 = 122,890.46 : x
  2. Step 2: Convert to fraction form
    176,172.95/264,173.31 = 122,890.46/x
  3. Step 3: Cross multiply
    176,172.95x = 264,173.31 × 122,890.46
  4. Step 4: Simplify right side
    176,172.95x = 32,464,379,585.62
  5. Step 5: Solve for x
    x = 32,464,379,585.62/176,172.95
  6. Step 6: Final answer
    x = 184,275.62

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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.