Home / 121,086-181,635.82-36,848.90

Finding the Fourth Proportional to 121,086, 181,635.82 and 36,848.90

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Solution

The fourth proportional to 121,086, 181,635.82 and 36,848.90 is: 55,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,086 : 181,635.82 = 36,848.90 : x
  2. Step 2: Convert to fraction form
    121,086/181,635.82 = 36,848.90/x
  3. Step 3: Cross multiply
    121,086x = 181,635.82 × 36,848.90
  4. Step 4: Simplify right side
    121,086x = 6,693,080,167.60
  5. Step 5: Solve for x
    x = 6,693,080,167.60/121,086
  6. Step 6: Final answer
    x = 55,275.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.