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Finding the Fourth Proportional to 176,409.60, 264,603.20 and 64,093.76

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Solution

The fourth proportional to 176,409.60, 264,603.20 and 64,093.76 is: 96,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,409.60 : 264,603.20 = 64,093.76 : x
  2. Step 2: Convert to fraction form
    176,409.60/264,603.20 = 64,093.76/x
  3. Step 3: Cross multiply
    176,409.60x = 264,603.20 × 64,093.76
  4. Step 4: Simplify right side
    176,409.60x = 16,959,413,996.03
  5. Step 5: Solve for x
    x = 16,959,413,996.03/176,409.60
  6. Step 6: Final answer
    x = 96,136.57

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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.