Home / 120,973.72-166,936.08-67,257.76

Finding the Fourth Proportional to 120,973.72, 166,936.08 and 67,257.76

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Solution

The fourth proportional to 120,973.72, 166,936.08 and 67,257.76 is: 92,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973.72 : 166,936.08 = 67,257.76 : x
  2. Step 2: Convert to fraction form
    120,973.72/166,936.08 = 67,257.76/x
  3. Step 3: Cross multiply
    120,973.72x = 166,936.08 × 67,257.76
  4. Step 4: Simplify right side
    120,973.72x = 11,227,746,803.98
  5. Step 5: Solve for x
    x = 11,227,746,803.98/120,973.72
  6. Step 6: Final answer
    x = 92,811.45

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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.