Home / 103,635.24-143,016.42-58,313.28

Finding the Fourth Proportional to 103,635.24, 143,016.42 and 58,313.28

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Solution

The fourth proportional to 103,635.24, 143,016.42 and 58,313.28 is: 80,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.24 : 143,016.42 = 58,313.28 : x
  2. Step 2: Convert to fraction form
    103,635.24/143,016.42 = 58,313.28/x
  3. Step 3: Cross multiply
    103,635.24x = 143,016.42 × 58,313.28
  4. Step 4: Simplify right side
    103,635.24x = 8,339,756,544.06
  5. Step 5: Solve for x
    x = 8,339,756,544.06/103,635.24
  6. Step 6: Final answer
    x = 80,472.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.