Home / 120,813.40-166,726.74-67,099.42

Finding the Fourth Proportional to 120,813.40, 166,726.74 and 67,099.42

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Solution

The fourth proportional to 120,813.40, 166,726.74 and 67,099.42 is: 92,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,813.40 : 166,726.74 = 67,099.42 : x
  2. Step 2: Convert to fraction form
    120,813.40/166,726.74 = 67,099.42/x
  3. Step 3: Cross multiply
    120,813.40x = 166,726.74 × 67,099.42
  4. Step 4: Simplify right side
    120,813.40x = 11,187,267,552.49
  5. Step 5: Solve for x
    x = 11,187,267,552.49/120,813.40
  6. Step 6: Final answer
    x = 92,599.56

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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.