Home / 103,634.95-143,015.96-58,313.02

Finding the Fourth Proportional to 103,634.95, 143,015.96 and 58,313.02

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Solution

The fourth proportional to 103,634.95, 143,015.96 and 58,313.02 is: 80,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.95 : 143,015.96 = 58,313.02 : x
  2. Step 2: Convert to fraction form
    103,634.95/143,015.96 = 58,313.02/x
  3. Step 3: Cross multiply
    103,634.95x = 143,015.96 × 58,313.02
  4. Step 4: Simplify right side
    103,634.95x = 8,339,692,535.80
  5. Step 5: Solve for x
    x = 8,339,692,535.80/103,634.95
  6. Step 6: Final answer
    x = 80,471.82

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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.