Home / 210,587.20-290,609.82-115,094.58

Finding the Fourth Proportional to 210,587.20, 290,609.82 and 115,094.58

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Solution

The fourth proportional to 210,587.20, 290,609.82 and 115,094.58 is: 158,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,587.20 : 290,609.82 = 115,094.58 : x
  2. Step 2: Convert to fraction form
    210,587.20/290,609.82 = 115,094.58/x
  3. Step 3: Cross multiply
    210,587.20x = 290,609.82 × 115,094.58
  4. Step 4: Simplify right side
    210,587.20x = 33,447,615,176.78
  5. Step 5: Solve for x
    x = 33,447,615,176.78/210,587.20
  6. Step 6: Final answer
    x = 158,830.24

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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.