Home / 211,262.92-291,543.06-115,769.85

Finding the Fourth Proportional to 211,262.92, 291,543.06 and 115,769.85

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Solution

The fourth proportional to 211,262.92, 291,543.06 and 115,769.85 is: 159,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,262.92 : 291,543.06 = 115,769.85 : x
  2. Step 2: Convert to fraction form
    211,262.92/291,543.06 = 115,769.85/x
  3. Step 3: Cross multiply
    211,262.92x = 291,543.06 × 115,769.85
  4. Step 4: Simplify right side
    211,262.92x = 33,751,896,324.74
  5. Step 5: Solve for x
    x = 33,751,896,324.74/211,262.92
  6. Step 6: Final answer
    x = 159,762.52

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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.