Home / 149,141.27-205,814.98-82,073.27

Finding the Fourth Proportional to 149,141.27, 205,814.98 and 82,073.27

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Solution

The fourth proportional to 149,141.27, 205,814.98 and 82,073.27 is: 113,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,141.27 : 205,814.98 = 82,073.27 : x
  2. Step 2: Convert to fraction form
    149,141.27/205,814.98 = 82,073.27/x
  3. Step 3: Cross multiply
    149,141.27x = 205,814.98 × 82,073.27
  4. Step 4: Simplify right side
    149,141.27x = 16,891,908,423.58
  5. Step 5: Solve for x
    x = 16,891,908,423.58/149,141.27
  6. Step 6: Final answer
    x = 113,261.13

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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.