Home / 130,491.24-195,401.82-90,453.12

Finding the Fourth Proportional to 130,491.24, 195,401.82 and 90,453.12

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Solution

The fourth proportional to 130,491.24, 195,401.82 and 90,453.12 is: 135,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,491.24 : 195,401.82 = 90,453.12 : x
  2. Step 2: Convert to fraction form
    130,491.24/195,401.82 = 90,453.12/x
  3. Step 3: Cross multiply
    130,491.24x = 195,401.82 × 90,453.12
  4. Step 4: Simplify right side
    130,491.24x = 17,674,704,272.68
  5. Step 5: Solve for x
    x = 17,674,704,272.68/130,491.24
  6. Step 6: Final answer
    x = 135,447.44

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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.