Home / 210,782.24-290,890.14-124,790.60

Finding the Fourth Proportional to 210,782.24, 290,890.14 and 124,790.60

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Solution

The fourth proportional to 210,782.24, 290,890.14 and 124,790.60 is: 172,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,782.24 : 290,890.14 = 124,790.60 : x
  2. Step 2: Convert to fraction form
    210,782.24/290,890.14 = 124,790.60/x
  3. Step 3: Cross multiply
    210,782.24x = 290,890.14 × 124,790.60
  4. Step 4: Simplify right side
    210,782.24x = 36,300,355,104.68
  5. Step 5: Solve for x
    x = 36,300,355,104.68/210,782.24
  6. Step 6: Final answer
    x = 172,217.33

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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.