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Finding the Fourth Proportional to 183,193.94, 274,830.45 and 56,831.72

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Solution

The fourth proportional to 183,193.94, 274,830.45 and 56,831.72 is: 85,259.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,193.94 : 274,830.45 = 56,831.72 : x
  2. Step 2: Convert to fraction form
    183,193.94/274,830.45 = 56,831.72/x
  3. Step 3: Cross multiply
    183,193.94x = 274,830.45 × 56,831.72
  4. Step 4: Simplify right side
    183,193.94x = 15,619,087,181.87
  5. Step 5: Solve for x
    x = 15,619,087,181.87/183,193.94
  6. Step 6: Final answer
    x = 85,259.85

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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.