Home / 90,336.66-135,589.02-45,996.58

Finding the Fourth Proportional to 90,336.66, 135,589.02 and 45,996.58

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Solution

The fourth proportional to 90,336.66, 135,589.02 and 45,996.58 is: 69,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,336.66 : 135,589.02 = 45,996.58 : x
  2. Step 2: Convert to fraction form
    90,336.66/135,589.02 = 45,996.58/x
  3. Step 3: Cross multiply
    90,336.66x = 135,589.02 × 45,996.58
  4. Step 4: Simplify right side
    90,336.66x = 6,236,631,205.55
  5. Step 5: Solve for x
    x = 6,236,631,205.55/90,336.66
  6. Step 6: Final answer
    x = 69,037.66

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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.