Home / 120,557.31-166,368.27-66,842.34

Finding the Fourth Proportional to 120,557.31, 166,368.27 and 66,842.34

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Solution

The fourth proportional to 120,557.31, 166,368.27 and 66,842.34 is: 92,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,557.31 : 166,368.27 = 66,842.34 : x
  2. Step 2: Convert to fraction form
    120,557.31/166,368.27 = 66,842.34/x
  3. Step 3: Cross multiply
    120,557.31x = 166,368.27 × 66,842.34
  4. Step 4: Simplify right side
    120,557.31x = 11,120,444,468.55
  5. Step 5: Solve for x
    x = 11,120,444,468.55/120,557.31
  6. Step 6: Final answer
    x = 92,241.98

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1.5x scale

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.