Home / 120,642.48-166,484.70-66,926.52

Finding the Fourth Proportional to 120,642.48, 166,484.70 and 66,926.52

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Solution

The fourth proportional to 120,642.48, 166,484.70 and 66,926.52 is: 92,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,642.48 : 166,484.70 = 66,926.52 : x
  2. Step 2: Convert to fraction form
    120,642.48/166,484.70 = 66,926.52/x
  3. Step 3: Cross multiply
    120,642.48x = 166,484.70 × 66,926.52
  4. Step 4: Simplify right side
    120,642.48x = 11,142,241,604.24
  5. Step 5: Solve for x
    x = 11,142,241,604.24/120,642.48
  6. Step 6: Final answer
    x = 92,357.53

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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.