Home / 215,740.94-297,723.79-125,150.84

Finding the Fourth Proportional to 215,740.94, 297,723.79 and 125,150.84

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Solution

The fourth proportional to 215,740.94, 297,723.79 and 125,150.84 is: 172,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,740.94 : 297,723.79 = 125,150.84 : x
  2. Step 2: Convert to fraction form
    215,740.94/297,723.79 = 125,150.84/x
  3. Step 3: Cross multiply
    215,740.94x = 297,723.79 × 125,150.84
  4. Step 4: Simplify right side
    215,740.94x = 37,260,382,190.77
  5. Step 5: Solve for x
    x = 37,260,382,190.77/215,740.94
  6. Step 6: Final answer
    x = 172,708.91

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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.