Home / 210,611.57-290,644.10-115,118.26

Finding the Fourth Proportional to 210,611.57, 290,644.10 and 115,118.26

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Solution

The fourth proportional to 210,611.57, 290,644.10 and 115,118.26 is: 158,863.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,611.57 : 290,644.10 = 115,118.26 : x
  2. Step 2: Convert to fraction form
    210,611.57/290,644.10 = 115,118.26/x
  3. Step 3: Cross multiply
    210,611.57x = 290,644.10 × 115,118.26
  4. Step 4: Simplify right side
    210,611.57x = 33,458,442,632.45
  5. Step 5: Solve for x
    x = 33,458,442,632.45/210,611.57
  6. Step 6: Final answer
    x = 158,863.27

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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.