Home / 90,327.48-135,498.23-27,142.67

Finding the Fourth Proportional to 90,327.48, 135,498.23 and 27,142.67

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Solution

The fourth proportional to 90,327.48, 135,498.23 and 27,142.67 is: 40,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,327.48 : 135,498.23 = 27,142.67 : x
  2. Step 2: Convert to fraction form
    90,327.48/135,498.23 = 27,142.67/x
  3. Step 3: Cross multiply
    90,327.48x = 135,498.23 × 27,142.67
  4. Step 4: Simplify right side
    90,327.48x = 3,677,783,742.47
  5. Step 5: Solve for x
    x = 3,677,783,742.47/90,327.48
  6. Step 6: Final answer
    x = 40,716.11

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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.