Home / 111,011.80-166,517.70-40,876.60

Finding the Fourth Proportional to 111,011.80, 166,517.70 and 40,876.60

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Solution

The fourth proportional to 111,011.80, 166,517.70 and 40,876.60 is: 61,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,011.80 : 166,517.70 = 40,876.60 : x
  2. Step 2: Convert to fraction form
    111,011.80/166,517.70 = 40,876.60/x
  3. Step 3: Cross multiply
    111,011.80x = 166,517.70 × 40,876.60
  4. Step 4: Simplify right side
    111,011.80x = 6,806,677,415.82
  5. Step 5: Solve for x
    x = 6,806,677,415.82/111,011.80
  6. Step 6: Final answer
    x = 61,314.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.