Home / 211,753.63-292,356.81-131,266.56

Finding the Fourth Proportional to 211,753.63, 292,356.81 and 131,266.56

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Solution

The fourth proportional to 211,753.63, 292,356.81 and 131,266.56 is: 181,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,753.63 : 292,356.81 = 131,266.56 : x
  2. Step 2: Convert to fraction form
    211,753.63/292,356.81 = 131,266.56/x
  3. Step 3: Cross multiply
    211,753.63x = 292,356.81 × 131,266.56
  4. Step 4: Simplify right side
    211,753.63x = 38,376,672,741.27
  5. Step 5: Solve for x
    x = 38,376,672,741.27/211,753.63
  6. Step 6: Final answer
    x = 181,232.66

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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.