Home / 121,976.08-182,923.08-40,906.72

Finding the Fourth Proportional to 121,976.08, 182,923.08 and 40,906.72

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Solution

The fourth proportional to 121,976.08, 182,923.08 and 40,906.72 is: 61,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,976.08 : 182,923.08 = 40,906.72 : x
  2. Step 2: Convert to fraction form
    121,976.08/182,923.08 = 40,906.72/x
  3. Step 3: Cross multiply
    121,976.08x = 182,923.08 × 40,906.72
  4. Step 4: Simplify right side
    121,976.08x = 7,482,783,215.10
  5. Step 5: Solve for x
    x = 7,482,783,215.10/121,976.08
  6. Step 6: Final answer
    x = 61,346.32

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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.