Home / 125,836.77-188,755.55-31,066.97

Finding the Fourth Proportional to 125,836.77, 188,755.55 and 31,066.97

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Solution

The fourth proportional to 125,836.77, 188,755.55 and 31,066.97 is: 46,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,836.77 : 188,755.55 = 31,066.97 : x
  2. Step 2: Convert to fraction form
    125,836.77/188,755.55 = 31,066.97/x
  3. Step 3: Cross multiply
    125,836.77x = 188,755.55 × 31,066.97
  4. Step 4: Simplify right side
    125,836.77x = 5,864,062,410.35
  5. Step 5: Solve for x
    x = 5,864,062,410.35/125,836.77
  6. Step 6: Final answer
    x = 46,600.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.