Home / 90,635.36-135,917.60-34,445.66

Finding the Fourth Proportional to 90,635.36, 135,917.60 and 34,445.66

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Solution

The fourth proportional to 90,635.36, 135,917.60 and 34,445.66 is: 51,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.36 : 135,917.60 = 34,445.66 : x
  2. Step 2: Convert to fraction form
    90,635.36/135,917.60 = 34,445.66/x
  3. Step 3: Cross multiply
    90,635.36x = 135,917.60 × 34,445.66
  4. Step 4: Simplify right side
    90,635.36x = 4,681,770,585.80
  5. Step 5: Solve for x
    x = 4,681,770,585.80/90,635.36
  6. Step 6: Final answer
    x = 51,655.01

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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.