Home / 131,076.28-180,300.90-114,863.32

Finding the Fourth Proportional to 131,076.28, 180,300.90 and 114,863.32

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Solution

The fourth proportional to 131,076.28, 180,300.90 and 114,863.32 is: 157,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,076.28 : 180,300.90 = 114,863.32 : x
  2. Step 2: Convert to fraction form
    131,076.28/180,300.90 = 114,863.32/x
  3. Step 3: Cross multiply
    131,076.28x = 180,300.90 × 114,863.32
  4. Step 4: Simplify right side
    131,076.28x = 20,709,959,972.99
  5. Step 5: Solve for x
    x = 20,709,959,972.99/131,076.28
  6. Step 6: Final answer
    x = 157,999.30

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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.