Home / 188,768.13-260,500.08-103,883.37

Finding the Fourth Proportional to 188,768.13, 260,500.08 and 103,883.37

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Solution

The fourth proportional to 188,768.13, 260,500.08 and 103,883.37 is: 143,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,768.13 : 260,500.08 = 103,883.37 : x
  2. Step 2: Convert to fraction form
    188,768.13/260,500.08 = 103,883.37/x
  3. Step 3: Cross multiply
    188,768.13x = 260,500.08 × 103,883.37
  4. Step 4: Simplify right side
    188,768.13x = 27,061,626,195.67
  5. Step 5: Solve for x
    x = 27,061,626,195.67/188,768.13
  6. Step 6: Final answer
    x = 143,359.08

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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.