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Finding the Fourth Proportional to 188,264.67, 259,807.05 and 103,383.51

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Solution

The fourth proportional to 188,264.67, 259,807.05 and 103,383.51 is: 142,670.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,264.67 : 259,807.05 = 103,383.51 : x
  2. Step 2: Convert to fraction form
    188,264.67/259,807.05 = 103,383.51/x
  3. Step 3: Cross multiply
    188,264.67x = 259,807.05 × 103,383.51
  4. Step 4: Simplify right side
    188,264.67x = 26,859,764,751.75
  5. Step 5: Solve for x
    x = 26,859,764,751.75/188,264.67
  6. Step 6: Final answer
    x = 142,670.24

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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.