Home / 211,141.63-291,375.53-115,649.92

Finding the Fourth Proportional to 211,141.63, 291,375.53 and 115,649.92

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Solution

The fourth proportional to 211,141.63, 291,375.53 and 115,649.92 is: 159,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,141.63 : 291,375.53 = 115,649.92 : x
  2. Step 2: Convert to fraction form
    211,141.63/291,375.53 = 115,649.92/x
  3. Step 3: Cross multiply
    211,141.63x = 291,375.53 × 115,649.92
  4. Step 4: Simplify right side
    211,141.63x = 33,697,556,734.46
  5. Step 5: Solve for x
    x = 33,697,556,734.46/211,141.63
  6. Step 6: Final answer
    x = 159,596.93

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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.