Home / 92,631.78-127,831.98-50,190.32

Finding the Fourth Proportional to 92,631.78, 127,831.98 and 50,190.32

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Solution

The fourth proportional to 92,631.78, 127,831.98 and 50,190.32 is: 69,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.78 : 127,831.98 = 50,190.32 : x
  2. Step 2: Convert to fraction form
    92,631.78/127,831.98 = 50,190.32/x
  3. Step 3: Cross multiply
    92,631.78x = 127,831.98 × 50,190.32
  4. Step 4: Simplify right side
    92,631.78x = 6,415,927,982.43
  5. Step 5: Solve for x
    x = 6,415,927,982.43/92,631.78
  6. Step 6: Final answer
    x = 69,262.71

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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.