Home / 131,219.64-180,873.54-88,704.36

Finding the Fourth Proportional to 131,219.64, 180,873.54 and 88,704.36

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Solution

The fourth proportional to 131,219.64, 180,873.54 and 88,704.36 is: 122,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,219.64 : 180,873.54 = 88,704.36 : x
  2. Step 2: Convert to fraction form
    131,219.64/180,873.54 = 88,704.36/x
  3. Step 3: Cross multiply
    131,219.64x = 180,873.54 × 88,704.36
  4. Step 4: Simplify right side
    131,219.64x = 16,044,271,606.63
  5. Step 5: Solve for x
    x = 16,044,271,606.63/131,219.64
  6. Step 6: Final answer
    x = 122,270.35

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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.