Home / 120,852.14-166,776.12-67,135.77

Finding the Fourth Proportional to 120,852.14, 166,776.12 and 67,135.77

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Solution

The fourth proportional to 120,852.14, 166,776.12 and 67,135.77 is: 92,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.14 : 166,776.12 = 67,135.77 : x
  2. Step 2: Convert to fraction form
    120,852.14/166,776.12 = 67,135.77/x
  3. Step 3: Cross multiply
    120,852.14x = 166,776.12 × 67,135.77
  4. Step 4: Simplify right side
    120,852.14x = 11,196,643,233.81
  5. Step 5: Solve for x
    x = 11,196,643,233.81/120,852.14
  6. Step 6: Final answer
    x = 92,647.46

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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.