Home / 211,096.50-291,227.11-124,991.48

Finding the Fourth Proportional to 211,096.50, 291,227.11 and 124,991.48

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Solution

The fourth proportional to 211,096.50, 291,227.11 and 124,991.48 is: 172,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,096.50 : 291,227.11 = 124,991.48 : x
  2. Step 2: Convert to fraction form
    211,096.50/291,227.11 = 124,991.48/x
  3. Step 3: Cross multiply
    211,096.50x = 291,227.11 × 124,991.48
  4. Step 4: Simplify right side
    211,096.50x = 36,400,905,726.41
  5. Step 5: Solve for x
    x = 36,400,905,726.41/211,096.50
  6. Step 6: Final answer
    x = 172,437.28

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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.