Home / 165,140.20-227,884.98-89,688.52

Finding the Fourth Proportional to 165,140.20, 227,884.98 and 89,688.52

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Solution

The fourth proportional to 165,140.20, 227,884.98 and 89,688.52 is: 123,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,140.20 : 227,884.98 = 89,688.52 : x
  2. Step 2: Convert to fraction form
    165,140.20/227,884.98 = 89,688.52/x
  3. Step 3: Cross multiply
    165,140.20x = 227,884.98 × 89,688.52
  4. Step 4: Simplify right side
    165,140.20x = 20,438,666,586.43
  5. Step 5: Solve for x
    x = 20,438,666,586.43/165,140.20
  6. Step 6: Final answer
    x = 123,765.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.