Home / 211,537.76-291,900.48-126,652.64

Finding the Fourth Proportional to 211,537.76, 291,900.48 and 126,652.64

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Solution

The fourth proportional to 211,537.76, 291,900.48 and 126,652.64 is: 174,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,537.76 : 291,900.48 = 126,652.64 : x
  2. Step 2: Convert to fraction form
    211,537.76/291,900.48 = 126,652.64/x
  3. Step 3: Cross multiply
    211,537.76x = 291,900.48 × 126,652.64
  4. Step 4: Simplify right side
    211,537.76x = 36,969,966,409.27
  5. Step 5: Solve for x
    x = 36,969,966,409.27/211,537.76
  6. Step 6: Final answer
    x = 174,767.69

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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.