Home / 90,336.55-135,588.12-45,995.26

Finding the Fourth Proportional to 90,336.55, 135,588.12 and 45,995.26

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Solution

The fourth proportional to 90,336.55, 135,588.12 and 45,995.26 is: 69,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336.55 : 135,588.12 = 45,995.26 : x
  2. Step 2: Convert to fraction form
    90,336.55/135,588.12 = 45,995.26/x
  3. Step 3: Cross multiply
    90,336.55x = 135,588.12 × 45,995.26
  4. Step 4: Simplify right side
    90,336.55x = 6,236,410,832.31
  5. Step 5: Solve for x
    x = 6,236,410,832.31/90,336.55
  6. Step 6: Final answer
    x = 69,035.30

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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.