Home / 120,998.19-166,970.63-67,282.05

Finding the Fourth Proportional to 120,998.19, 166,970.63 and 67,282.05

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Solution

The fourth proportional to 120,998.19, 166,970.63 and 67,282.05 is: 92,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,998.19 : 166,970.63 = 67,282.05 : x
  2. Step 2: Convert to fraction form
    120,998.19/166,970.63 = 67,282.05/x
  3. Step 3: Cross multiply
    120,998.19x = 166,970.63 × 67,282.05
  4. Step 4: Simplify right side
    120,998.19x = 11,234,125,104.93
  5. Step 5: Solve for x
    x = 11,234,125,104.93/120,998.19
  6. Step 6: Final answer
    x = 92,845.40

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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.