Home / 222,340.57-306,831.95-131,701.69

Finding the Fourth Proportional to 222,340.57, 306,831.95 and 131,701.69

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Solution

The fourth proportional to 222,340.57, 306,831.95 and 131,701.69 is: 181,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,340.57 : 306,831.95 = 131,701.69 : x
  2. Step 2: Convert to fraction form
    222,340.57/306,831.95 = 131,701.69/x
  3. Step 3: Cross multiply
    222,340.57x = 306,831.95 × 131,701.69
  4. Step 4: Simplify right side
    222,340.57x = 40,410,285,702.49
  5. Step 5: Solve for x
    x = 40,410,285,702.49/222,340.57
  6. Step 6: Final answer
    x = 181,749.49

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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.