Home / 120,440.54-166,231.20-69,486.18

Finding the Fourth Proportional to 120,440.54, 166,231.20 and 69,486.18

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Solution

The fourth proportional to 120,440.54, 166,231.20 and 69,486.18 is: 95,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,440.54 : 166,231.20 = 69,486.18 : x
  2. Step 2: Convert to fraction form
    120,440.54/166,231.20 = 69,486.18/x
  3. Step 3: Cross multiply
    120,440.54x = 166,231.20 × 69,486.18
  4. Step 4: Simplify right side
    120,440.54x = 11,550,771,084.82
  5. Step 5: Solve for x
    x = 11,550,771,084.82/120,440.54
  6. Step 6: Final answer
    x = 95,904.35

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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.