Home / 188,208.77-259,728.54-103,331.30

Finding the Fourth Proportional to 188,208.77, 259,728.54 and 103,331.30

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Solution

The fourth proportional to 188,208.77, 259,728.54 and 103,331.30 is: 142,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,208.77 : 259,728.54 = 103,331.30 : x
  2. Step 2: Convert to fraction form
    188,208.77/259,728.54 = 103,331.30/x
  3. Step 3: Cross multiply
    188,208.77x = 259,728.54 × 103,331.30
  4. Step 4: Simplify right side
    188,208.77x = 26,838,087,685.30
  5. Step 5: Solve for x
    x = 26,838,087,685.30/188,208.77
  6. Step 6: Final answer
    x = 142,597.43

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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.