Home / 90,022.55-135,040.55-26,837.82

Finding the Fourth Proportional to 90,022.55, 135,040.55 and 26,837.82

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Solution

The fourth proportional to 90,022.55, 135,040.55 and 26,837.82 is: 40,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,022.55 : 135,040.55 = 26,837.82 : x
  2. Step 2: Convert to fraction form
    90,022.55/135,040.55 = 26,837.82/x
  3. Step 3: Cross multiply
    90,022.55x = 135,040.55 × 26,837.82
  4. Step 4: Simplify right side
    90,022.55x = 3,624,193,839.41
  5. Step 5: Solve for x
    x = 3,624,193,839.41/90,022.55
  6. Step 6: Final answer
    x = 40,258.74

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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.