Home / 213,136.83-294,110.16-136,520.73

Finding the Fourth Proportional to 213,136.83, 294,110.16 and 136,520.73

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Solution

The fourth proportional to 213,136.83, 294,110.16 and 136,520.73 is: 188,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.83 : 294,110.16 = 136,520.73 : x
  2. Step 2: Convert to fraction form
    213,136.83/294,110.16 = 136,520.73/x
  3. Step 3: Cross multiply
    213,136.83x = 294,110.16 × 136,520.73
  4. Step 4: Simplify right side
    213,136.83x = 40,152,133,743.62
  5. Step 5: Solve for x
    x = 40,152,133,743.62/213,136.83
  6. Step 6: Final answer
    x = 188,386.65

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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.