Home / 111,116.30-166,674.45-28,010.30

Finding the Fourth Proportional to 111,116.30, 166,674.45 and 28,010.30

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Solution

The fourth proportional to 111,116.30, 166,674.45 and 28,010.30 is: 42,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116.30 : 166,674.45 = 28,010.30 : x
  2. Step 2: Convert to fraction form
    111,116.30/166,674.45 = 28,010.30/x
  3. Step 3: Cross multiply
    111,116.30x = 166,674.45 × 28,010.30
  4. Step 4: Simplify right side
    111,116.30x = 4,668,601,346.84
  5. Step 5: Solve for x
    x = 4,668,601,346.84/111,116.30
  6. Step 6: Final answer
    x = 42,015.45

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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.