Home / 211,607.01-291,996.41-126,721.89

Finding the Fourth Proportional to 211,607.01, 291,996.41 and 126,721.89

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Solution

The fourth proportional to 211,607.01, 291,996.41 and 126,721.89 is: 174,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,607.01 : 291,996.41 = 126,721.89 : x
  2. Step 2: Convert to fraction form
    211,607.01/291,996.41 = 126,721.89/x
  3. Step 3: Cross multiply
    211,607.01x = 291,996.41 × 126,721.89
  4. Step 4: Simplify right side
    211,607.01x = 37,002,336,314.81
  5. Step 5: Solve for x
    x = 37,002,336,314.81/211,607.01
  6. Step 6: Final answer
    x = 174,863.47

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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.