Home / 213,136.97-294,095.49-122,475.39

Finding the Fourth Proportional to 213,136.97, 294,095.49 and 122,475.39

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Solution

The fourth proportional to 213,136.97, 294,095.49 and 122,475.39 is: 168,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.97 : 294,095.49 = 122,475.39 : x
  2. Step 2: Convert to fraction form
    213,136.97/294,095.49 = 122,475.39/x
  3. Step 3: Cross multiply
    213,136.97x = 294,095.49 × 122,475.39
  4. Step 4: Simplify right side
    213,136.97x = 36,019,459,834.99
  5. Step 5: Solve for x
    x = 36,019,459,834.99/213,136.97
  6. Step 6: Final answer
    x = 168,996.78

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1.5x scale

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.