Home / 120,443.96-166,199.19-66,715.64

Finding the Fourth Proportional to 120,443.96, 166,199.19 and 66,715.64

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Solution

The fourth proportional to 120,443.96, 166,199.19 and 66,715.64 is: 92,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,443.96 : 166,199.19 = 66,715.64 : x
  2. Step 2: Convert to fraction form
    120,443.96/166,199.19 = 66,715.64/x
  3. Step 3: Cross multiply
    120,443.96x = 166,199.19 × 66,715.64
  4. Step 4: Simplify right side
    120,443.96x = 11,088,084,497.34
  5. Step 5: Solve for x
    x = 11,088,084,497.34/120,443.96
  6. Step 6: Final answer
    x = 92,060.12

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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.