Home / 120,904.98-166,845.54-67,188.63

Finding the Fourth Proportional to 120,904.98, 166,845.54 and 67,188.63

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Solution

The fourth proportional to 120,904.98, 166,845.54 and 67,188.63 is: 92,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.98 : 166,845.54 = 67,188.63 : x
  2. Step 2: Convert to fraction form
    120,904.98/166,845.54 = 67,188.63/x
  3. Step 3: Cross multiply
    120,904.98x = 166,845.54 × 67,188.63
  4. Step 4: Simplify right side
    120,904.98x = 11,210,123,254.21
  5. Step 5: Solve for x
    x = 11,210,123,254.21/120,904.98
  6. Step 6: Final answer
    x = 92,718.46

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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.