Home / 133,435.23-184,149.90-85,703.55

Finding the Fourth Proportional to 133,435.23, 184,149.90 and 85,703.55

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Solution

The fourth proportional to 133,435.23, 184,149.90 and 85,703.55 is: 118,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,435.23 : 184,149.90 = 85,703.55 : x
  2. Step 2: Convert to fraction form
    133,435.23/184,149.90 = 85,703.55/x
  3. Step 3: Cross multiply
    133,435.23x = 184,149.90 × 85,703.55
  4. Step 4: Simplify right side
    133,435.23x = 15,782,300,162.15
  5. Step 5: Solve for x
    x = 15,782,300,162.15/133,435.23
  6. Step 6: Final answer
    x = 118,276.86

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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.