Home / 210,611.33-290,630.19-119,965.65

Finding the Fourth Proportional to 210,611.33, 290,630.19 and 119,965.65

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Solution

The fourth proportional to 210,611.33, 290,630.19 and 119,965.65 is: 165,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,611.33 : 290,630.19 = 119,965.65 : x
  2. Step 2: Convert to fraction form
    210,611.33/290,630.19 = 119,965.65/x
  3. Step 3: Cross multiply
    210,611.33x = 290,630.19 × 119,965.65
  4. Step 4: Simplify right side
    210,611.33x = 34,865,639,652.97
  5. Step 5: Solve for x
    x = 34,865,639,652.97/210,611.33
  6. Step 6: Final answer
    x = 165,544.94

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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.