Home / 61,142.45-91,711.51-16,768.49

Finding the Fourth Proportional to 61,142.45, 91,711.51 and 16,768.49

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Solution

The fourth proportional to 61,142.45, 91,711.51 and 16,768.49 is: 25,152.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,142.45 : 91,711.51 = 16,768.49 : x
  2. Step 2: Convert to fraction form
    61,142.45/91,711.51 = 16,768.49/x
  3. Step 3: Cross multiply
    61,142.45x = 91,711.51 × 16,768.49
  4. Step 4: Simplify right side
    61,142.45x = 1,537,863,037.84
  5. Step 5: Solve for x
    x = 1,537,863,037.84/61,142.45
  6. Step 6: Final answer
    x = 25,152.14

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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.