Home / 102,284.29-141,142.21-56,966.49

Finding the Fourth Proportional to 102,284.29, 141,142.21 and 56,966.49

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Solution

The fourth proportional to 102,284.29, 141,142.21 and 56,966.49 is: 78,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,284.29 : 141,142.21 = 56,966.49 : x
  2. Step 2: Convert to fraction form
    102,284.29/141,142.21 = 56,966.49/x
  3. Step 3: Cross multiply
    102,284.29x = 141,142.21 × 56,966.49
  4. Step 4: Simplify right side
    102,284.29x = 8,040,375,588.83
  5. Step 5: Solve for x
    x = 8,040,375,588.83/102,284.29
  6. Step 6: Final answer
    x = 78,608.12

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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.