Home / 228,634.08-315,518.20-131,836.25

Finding the Fourth Proportional to 228,634.08, 315,518.20 and 131,836.25

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Solution

The fourth proportional to 228,634.08, 315,518.20 and 131,836.25 is: 181,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,634.08 : 315,518.20 = 131,836.25 : x
  2. Step 2: Convert to fraction form
    228,634.08/315,518.20 = 131,836.25/x
  3. Step 3: Cross multiply
    228,634.08x = 315,518.20 × 131,836.25
  4. Step 4: Simplify right side
    228,634.08x = 41,596,734,387.57
  5. Step 5: Solve for x
    x = 41,596,734,387.57/228,634.08
  6. Step 6: Final answer
    x = 181,935.84

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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.