Home / 133,442.68-184,273.34-85,779.04

Finding the Fourth Proportional to 133,442.68, 184,273.34 and 85,779.04

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Solution

The fourth proportional to 133,442.68, 184,273.34 and 85,779.04 is: 118,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,442.68 : 184,273.34 = 85,779.04 : x
  2. Step 2: Convert to fraction form
    133,442.68/184,273.34 = 85,779.04/x
  3. Step 3: Cross multiply
    133,442.68x = 184,273.34 × 85,779.04
  4. Step 4: Simplify right side
    133,442.68x = 15,806,790,202.79
  5. Step 5: Solve for x
    x = 15,806,790,202.79/133,442.68
  6. Step 6: Final answer
    x = 118,453.78

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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.