Home / 120,416.16-166,188.24-70,115.04

Finding the Fourth Proportional to 120,416.16, 166,188.24 and 70,115.04

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Solution

The fourth proportional to 120,416.16, 166,188.24 and 70,115.04 is: 96,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,416.16 : 166,188.24 = 70,115.04 : x
  2. Step 2: Convert to fraction form
    120,416.16/166,188.24 = 70,115.04/x
  3. Step 3: Cross multiply
    120,416.16x = 166,188.24 × 70,115.04
  4. Step 4: Simplify right side
    120,416.16x = 11,652,295,095.13
  5. Step 5: Solve for x
    x = 11,652,295,095.13/120,416.16
  6. Step 6: Final answer
    x = 96,766.87

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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.