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Finding the Fourth Proportional to 176,101.52, 264,142.52 and 128,765.12

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Solution

The fourth proportional to 176,101.52, 264,142.52 and 128,765.12 is: 193,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,101.52 : 264,142.52 = 128,765.12 : x
  2. Step 2: Convert to fraction form
    176,101.52/264,142.52 = 128,765.12/x
  3. Step 3: Cross multiply
    176,101.52x = 264,142.52 × 128,765.12
  4. Step 4: Simplify right side
    176,101.52x = 34,012,343,284.90
  5. Step 5: Solve for x
    x = 34,012,343,284.90/176,101.52
  6. Step 6: Final answer
    x = 193,140.54

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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.