Home / 188,340.13-259,911.29-102,300.79

Finding the Fourth Proportional to 188,340.13, 259,911.29 and 102,300.79

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Solution

The fourth proportional to 188,340.13, 259,911.29 and 102,300.79 is: 141,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,340.13 : 259,911.29 = 102,300.79 : x
  2. Step 2: Convert to fraction form
    188,340.13/259,911.29 = 102,300.79/x
  3. Step 3: Cross multiply
    188,340.13x = 259,911.29 × 102,300.79
  4. Step 4: Simplify right side
    188,340.13x = 26,589,130,296.92
  5. Step 5: Solve for x
    x = 26,589,130,296.92/188,340.13
  6. Step 6: Final answer
    x = 141,176.13

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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.