Home / 134,675.44-185,818.78-80,949.76

Finding the Fourth Proportional to 134,675.44, 185,818.78 and 80,949.76

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Solution

The fourth proportional to 134,675.44, 185,818.78 and 80,949.76 is: 111,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,675.44 : 185,818.78 = 80,949.76 : x
  2. Step 2: Convert to fraction form
    134,675.44/185,818.78 = 80,949.76/x
  3. Step 3: Cross multiply
    134,675.44x = 185,818.78 × 80,949.76
  4. Step 4: Simplify right side
    134,675.44x = 15,041,985,644.49
  5. Step 5: Solve for x
    x = 15,041,985,644.49/134,675.44
  6. Step 6: Final answer
    x = 111,690.64

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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.