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Finding the Fourth Proportional to 176,765.20, 264,856.20 and 166,267.60

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Solution

The fourth proportional to 176,765.20, 264,856.20 and 166,267.60 is: 249,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,765.20 : 264,856.20 = 166,267.60 : x
  2. Step 2: Convert to fraction form
    176,765.20/264,856.20 = 166,267.60/x
  3. Step 3: Cross multiply
    176,765.20x = 264,856.20 × 166,267.60
  4. Step 4: Simplify right side
    176,765.20x = 44,037,004,719.12
  5. Step 5: Solve for x
    x = 44,037,004,719.12/176,765.20
  6. Step 6: Final answer
    x = 249,127.12

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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.