Home / 90,077.76-135,135.96-26,902.86

Finding the Fourth Proportional to 90,077.76, 135,135.96 and 26,902.86

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Solution

The fourth proportional to 90,077.76, 135,135.96 and 26,902.86 is: 40,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,077.76 : 135,135.96 = 26,902.86 : x
  2. Step 2: Convert to fraction form
    90,077.76/135,135.96 = 26,902.86/x
  3. Step 3: Cross multiply
    90,077.76x = 135,135.96 × 26,902.86
  4. Step 4: Simplify right side
    90,077.76x = 3,635,543,812.85
  5. Step 5: Solve for x
    x = 3,635,543,812.85/90,077.76
  6. Step 6: Final answer
    x = 40,360.06

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1.5x scale

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.