Home / 212,291.56-292,796.52-131,673.88

Finding the Fourth Proportional to 212,291.56, 292,796.52 and 131,673.88

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Solution

The fourth proportional to 212,291.56, 292,796.52 and 131,673.88 is: 181,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,291.56 : 292,796.52 = 131,673.88 : x
  2. Step 2: Convert to fraction form
    212,291.56/292,796.52 = 131,673.88/x
  3. Step 3: Cross multiply
    212,291.56x = 292,796.52 × 131,673.88
  4. Step 4: Simplify right side
    212,291.56x = 38,553,653,838.90
  5. Step 5: Solve for x
    x = 38,553,653,838.90/212,291.56
  6. Step 6: Final answer
    x = 181,607.10

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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.