Home / 188,300.13-259,856.22-103,417.17

Finding the Fourth Proportional to 188,300.13, 259,856.22 and 103,417.17

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Solution

The fourth proportional to 188,300.13, 259,856.22 and 103,417.17 is: 142,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,300.13 : 259,856.22 = 103,417.17 : x
  2. Step 2: Convert to fraction form
    188,300.13/259,856.22 = 103,417.17/x
  3. Step 3: Cross multiply
    188,300.13x = 259,856.22 × 103,417.17
  4. Step 4: Simplify right side
    188,300.13x = 26,873,594,879.30
  5. Step 5: Solve for x
    x = 26,873,594,879.30/188,300.13
  6. Step 6: Final answer
    x = 142,716.82

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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.