Home / 211,462.06-291,821.40-115,967.92

Finding the Fourth Proportional to 211,462.06, 291,821.40 and 115,967.92

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Solution

The fourth proportional to 211,462.06, 291,821.40 and 115,967.92 is: 160,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,462.06 : 291,821.40 = 115,967.92 : x
  2. Step 2: Convert to fraction form
    211,462.06/291,821.40 = 115,967.92/x
  3. Step 3: Cross multiply
    211,462.06x = 291,821.40 × 115,967.92
  4. Step 4: Simplify right side
    211,462.06x = 33,841,920,769.49
  5. Step 5: Solve for x
    x = 33,841,920,769.49/211,462.06
  6. Step 6: Final answer
    x = 160,037.79

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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.