Home / 83,313.40-124,968.94-20,133

Finding the Fourth Proportional to 83,313.40, 124,968.94 and 20,133

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Solution

The fourth proportional to 83,313.40, 124,968.94 and 20,133 is: 30,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,313.40 : 124,968.94 = 20,133 : x
  2. Step 2: Convert to fraction form
    83,313.40/124,968.94 = 20,133/x
  3. Step 3: Cross multiply
    83,313.40x = 124,968.94 × 20,133
  4. Step 4: Simplify right side
    83,313.40x = 2,515,999,669.02
  5. Step 5: Solve for x
    x = 2,515,999,669.02/83,313.40
  6. Step 6: Final answer
    x = 30,199.22

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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.