Home / 211,237.20-291,514.12-115,750

Finding the Fourth Proportional to 211,237.20, 291,514.12 and 115,750

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Solution

The fourth proportional to 211,237.20, 291,514.12 and 115,750 is: 159,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,237.20 : 291,514.12 = 115,750 : x
  2. Step 2: Convert to fraction form
    211,237.20/291,514.12 = 115,750/x
  3. Step 3: Cross multiply
    211,237.20x = 291,514.12 × 115,750
  4. Step 4: Simplify right side
    211,237.20x = 33,742,759,390
  5. Step 5: Solve for x
    x = 33,742,759,390/211,237.20
  6. Step 6: Final answer
    x = 159,738.72

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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.